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question_answer1)
A body covers half of its journey with a speed of 60 m/s and the other half with a speed of 40 m/s. Then average speed during whole journey is
A)
0 done
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B)
50 m/s done
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C)
48 m/s done
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D)
52 m/s done
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question_answer2)
The rate of change of displacement with time is called
A)
Speed done
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B)
Velocity done
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C)
Both of these done
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D)
None of these done
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question_answer3)
Which of the following is the basic unit of speed?
A)
km/min done
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B)
m/min done
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C)
km/h done
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D)
m/s done
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question_answer4)
A micro-second is equal to
A)
\[\frac{1}{1000000}s\] done
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B)
\[\frac{1}{100000}s\] done
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C)
\[\frac{1}{10000000}s\] done
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D)
\[\frac{1}{1000}s\] done
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question_answer5)
If a pendulum is vibrating at 10 Cycle\[{{s}^{-1}}\], its time period is
A)
1 sec done
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B)
0.1 sec done
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C)
0.5 sec done
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D)
0.01 sec done
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question_answer6)
Physical quantity which we can't obtain from a distance- time graph is
A)
speed done
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B)
time taken done
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C)
change in position done
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D)
change in weight done
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question_answer7)
A body has an acceleration of\[\text{4m}{{\text{s}}^{-\text{2}}}\]. What is its retardation?
A)
\[-\text{ 4m}{{\text{s}}^{\text{2}}}\] done
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B)
\[\text{4m}{{\text{s}}^{-\text{2}}}\] done
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C)
zero done
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D)
cannot be decided done
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question_answer8)
If the velocity of a body does not change with time, its acceleration is
A)
zero done
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B)
infinite done
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C)
unity done
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D)
None of these done
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question_answer9)
All of the following is a unit of speed except
A)
km/h done
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B)
m/s done
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C)
miles per hour done
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D)
Pounds per square inch done
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question_answer10)
Which of the following does not show oscillatory motion?
A)
Swing done
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B)
Fan done
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C)
See-saw done
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D)
Pendulum done
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question_answer11)
Which of the following statement(s) is/are correct?
A)
Symbols of all units are written in singular done
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B)
Basic unit of speed is km/h done
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C)
Both the above are correct done
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D)
None of the above is correct done
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question_answer12)
It is a part of wall clock and performs oscillatory motion. Its time period is fixed. It is
A)
a pendulum done
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B)
bob of a pendulum done
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C)
pendulum clock done
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D)
None of these done
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question_answer13)
A body moving in a straight line is said to be in uniform motion, if
A)
It covers equal distances in equal intervals of time, how so ever small the interval may be done
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B)
It covers equal distance in equal intervals of time, when intervals are of 1 hour done
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C)
It covers equal distances in equal intervals of time, when intervals are of 1 min. done
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D)
None of the above is correct. done
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question_answer14)
Why is the average speed of a moving object same as the actual speed of the moving object in case of uniform motion in a straight line?
A)
The object covers equal distances in same intervals of time done
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B)
The object covers equal distances even in very small intervals of time done
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C)
Both the above are correct done
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D)
None of the above is correct. done
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question_answer15)
A graph is plotted showing the velocity of a car as a function of time. If the graph is a straight line, it means that
A)
the car started at rest done
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B)
acceleration was constant done
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C)
acceleration was increasing done
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D)
velocity was constant done
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question_answer16)
The acceleration of a car that speeds up from 12 meters per second to 30 meters per second in 15 seconds is
A)
\[\text{2}.\text{4 m}/{{\text{s}}^{\text{2}}}\] done
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B)
\[\text{1}.\text{2 m}/{{\text{s}}^{\text{2}}}\] done
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C)
\[\text{2 m}/{{\text{s}}^{\text{2}}}\] done
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D)
\[\text{5}.\text{2 m}/{{\text{s}}^{\text{2}}}\] done
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question_answer17)
A velocity-time graph gives (i) the distance (ii) the displacement (iii) the acceleration (iv) the speed
A)
(i) and (ii) only done
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B)
(ii) and (iii) only done
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C)
(i) and (iii) only done
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D)
(i), (ii) and (iii) done
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question_answer18)
Displacement is the
A)
shortest distance between initial and final positions done
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B)
actual distance between initial and final positions done
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C)
distance traveled by the object done
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D)
distance traveled by the object in a unit time done
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question_answer19)
An object has travelled 10 km in 15 minutes, its displacement will be
A)
10 km done
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B)
zero done
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C)
Less than 10 km done
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D)
All of the above done
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question_answer20)
If an object covers equal distances in equal intervals of time, it is said to be in
A)
circular motion done
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B)
uniform motion done
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C)
oscillatory motion done
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D)
non-uniform motion done
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question_answer21)
Average velocity of an object is obtained by
A)
dividing the total distance travelled by the total time taken done
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B)
half of the sum of the initial velocity and the final velocity done
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C)
Both (a) and (b) done
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D)
None of the above done
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question_answer22)
Magnitude of average speed of an object is equal to its average velocity if
A)
it is moving in a definite direction done
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B)
its initial and final positions are same done
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C)
it is a uniform motion done
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D)
None of these done
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question_answer23)
Negative value of acceleration signifies
A)
the velocity is increasing done
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B)
the velocity is decreasing done
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C)
the velocity remains the same done
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D)
the object comes to rest done
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question_answer24)
A train travels 40 km at a uniform speed of 30 km\[{{\text{h}}^{-\text{1}}}\]. Its average speed after traveling another 40 km is 45 km \[{{\text{h}}^{-\text{1}}}\] for the whole journey. Its speed in the second half of the journey is
A)
45kmh \[{{\text{h}}^{-\text{1}}}\] done
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B)
90kmh \[{{\text{h}}^{-\text{1}}}\] done
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C)
60kmh \[{{\text{h}}^{-\text{1}}}\] done
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D)
None of these done
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question_answer25)
Mohan takes 20 minutes to cover a distance of 3.2 kilometers due north on a bicycle, his velocity in kilometer/hour is
A)
8.1 done
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B)
9.6 done
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C)
1.2 done
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D)
7.2 done
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question_answer26)
Average velocity is
A)
\[\frac{\text{Total displacement}}{\text{Total time taken}}\] done
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B)
\[\text{Total displacement }\times \text{ Total time taken}\] done
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C)
\[\frac{\text{Total time taken}}{\text{Total displacement }}\] done
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D)
\[\frac{\text{Total distance}}{\text{Total time taken}}\] done
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question_answer27)
Express a speed of 360 cm \[\text{h}{{\text{r}}^{-\text{1}}}\] in km \[{{\text{s}}^{-\text{1}}}\].
A)
\[\text{1}{{0}^{-\text{6}}}\] done
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B)
\[\text{1}{{0}^{-\text{5}}}\] done
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C)
\[\text{3}.\text{6}\times \text{1}{{0}^{-\text{6}}}\] done
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D)
\[\text{36}0\times \text{1}{{0}^{-\text{5}}}\] done
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question_answer28)
In the fig below the length of the object is;
A)
3.4 units done
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B)
3.5 units done
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C)
3.6 units done
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D)
3.3 units done
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question_answer29)
4.15 p.m. in 12 hour system is written as _________ in 4 hour clock system.
A)
11 hours 45 minutes done
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B)
4 hours 15 minutes done
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C)
22 hours 15 minutes done
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D)
15 hour 15 minutes done
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question_answer30)
Which of the following is the smallest unit?
A)
Hour done
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B)
Nano second done
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C)
Microsecond done
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D)
Light year done
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question_answer31)
The numerical ratio of displacement to distance for a moving object is
A)
always less than 1 done
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B)
always equal to 1 done
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C)
always more than 1 done
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D)
equal to less than 1 done
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question_answer32)
The numerical ratio of average velocity to average speed is
A)
always less than one done
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B)
always equal to one done
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C)
always more than one done
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D)
equal to or less than one done
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question_answer33)
The distance travelled by a body is directly proportional to the time taken. Its speed
A)
increases done
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B)
decreases done
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C)
becomes zero done
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D)
remains constant done
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question_answer34)
The motion in which all points of a body move through equal distances in equal times is
A)
Rotatory motion done
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B)
Uniform motion done
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C)
Circular motion done
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D)
Translator motion done
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question_answer35)
Select the instrument that can measure time most accurately.
A)
Sundial done
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B)
Quartz watch done
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C)
Pendulum clock done
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D)
Watch with balance wheel done
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question_answer36)
If a cyclist covers a distance of 3 km in 5 minutes, what is the speed of the cyclist?
A)
100 m/s done
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B)
360 km/h done
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C)
100 cm/s done
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D)
600 m/min done
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question_answer37)
Which of the following is correct about the time period of a pendulum, whose length (length of thread) is 2 m and mass of whose bob (metallic ball) is 2 kg, when it is set in motion?
A)
time period remains constant done
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B)
time period increases slowly done
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C)
time period decreases slowly done
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D)
none of these is correct done
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question_answer38)
It is fitted in a motorized vehicle and gives readings in km. It is called
A)
Odometer done
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B)
Speedometer done
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C)
Wind water done
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D)
None of these done
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question_answer39)
Speed of an object is defined as
A)
The distance moved by the object in a fixed interval of time. done
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B)
The distance moved by an object divided by the time taken to cover that distance. done
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C)
both the above are correct done
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D)
none of the above is correct done
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question_answer40)
DIRECTION: Match Column-I with Column-II and select the correct answer using the code given below the Columns.
Column - I | Column - II |
(A) Distance | (p) Meter |
(B) Speed | (q) m/s |
(C) Time | (r) Second |
(D) Time period | (s) Pendulum |
A)
A\[\to \] (p), B\[\to \] (q), C\[\to \] (r), D\[\to \] (s) done
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B)
A\[\to \] (q), B\[\to \] (p), C\[\to \] (r), D\[\to \] (s) done
clear
C)
A\[\to \] (r), B\[\to \] (q), C\[\to \] (p), D\[\to \] (s) done
clear
D)
A\[\to \] (s), B\[\to \] (r), C\[\to \] (q), D\[\to \] (p) done
clear
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question_answer41)
DIRECTION: Match Column-I with Column-II and select the correct answer using the code given below the Columns.
Column - I | Column - II |
(A) \[0.02\,km\] | (p) \[2000\,mm\] |
(B) \[9.8\,m\,{{s}^{-2}}\] | (q) \[980\,cm\,{{s}^{-2}}\] |
(C) \[15\,cm\,{{s}^{-1}}\] | (r) \[3.6\,km\,{{h}^{-1}}\] |
(D) \[1\,m\,{{s}^{-1}}\] | (s) \[10\,m\,{{s}^{-1}}\] |
(E) \[36\,km\,{{h}^{-1}}\] | (t) \[0.54\,km\,{{h}^{-1}}\] |
A)
A\[\to \] (p), B\[\to \] (q), C\[\to \] (t), D\[\to \] (r), E \[\to \] (s) done
clear
B)
A\[\to \] (r), B\[\to \] (s), C\[\to \] (t), D\[\to \] (p), E \[\to \] (q) done
clear
C)
A\[\to \] (q), B\[\to \] (r), C\[\to \] (p), D\[\to \] (t), E \[\to \] (s) done
clear
D)
A\[\to \] (t), B\[\to \] (p), C\[\to \] (r), D\[\to \] (s), E \[\to \] (q) done
clear
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question_answer42)
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage-1 The following table gives the odometer readings of a car at different times of its journey.
Time | Odometer reading |
8.00 AM | 36510 Km |
8.30 AM | 36540 Km |
9.00 AM | 36580 Km |
9.30 AM | 36620 Km |
10.00 AM | 36680 Km |
What is the average speed of the car?
A)
30km/h done
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B)
40km/h done
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C)
60km/h done
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D)
85km/h done
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question_answer43)
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage-1 The following table gives the odometer readings of a car at different times of its journey.
Time | Odometer reading |
8.00 AM | 36510 Km |
8.30 AM | 36540 Km |
9.00 AM | 36580 Km |
9.30 AM | 36620 Km |
10.00 AM | 36680 Km |
The maximum speed of car during any of the given intervals of time is
A)
60km/h done
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B)
80km/h done
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C)
85km/h done
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D)
120km/h done
clear
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question_answer44)
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage-1 The following table gives the odometer readings of a car at different times of its journey.
Time | Odometer reading |
8.00 AM | 36510 Km |
8.30 AM | 36540 Km |
9.00 AM | 36580 Km |
9.30 AM | 36620 Km |
10.00 AM | 36680 Km |
The average speed of the car from 8.00 AM to 9.00 AM is
A)
30km/h done
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B)
40km/h done
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C)
70km/h done
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D)
80km/h done
clear
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question_answer45)
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage-2 The smallest time interval that can be measured with commonly available clocks and watches is one second. However now special clocks are available that can measure time intervals smaller than a second. Some of these can measure time intervals as small as one millionth or even one billionth of a second. A micro-second is a very small time interval. It is equal to
A)
one thousandth of a second done
clear
B)
one hundredth of a second done
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C)
one millionth of a second done
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D)
one billionth of a second done
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question_answer46)
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage-2 The smallest time interval that can be measured with commonly available clocks and watches is one second. However now special clocks are available that can measure time intervals smaller than a second. Some of these can measure time intervals as small as one millionth or even one billionth of a second. The time measuring devices used in sports can measure time intervals of
A)
a mille second done
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B)
a micro second done
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C)
a nano second done
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D)
none of these done
clear
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question_answer47)
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage-2 The smallest time interval that can be measured with commonly available clocks and watches is one second. However now special clocks are available that can measure time intervals smaller than a second. Some of these can measure time intervals as small as one millionth or even one billionth of a second. Which of the following will be needed to measure the time period of a pendulum?
A)
a stop watch done
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B)
a table clock done
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C)
a wrist watch done
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D)
any one of these done
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question_answer48)
DIRECTIONS: The questions in this segment consists of two statements, one labeled as ?Assertion A? and the other labelled as ?Reason R?. You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): The time taken by a pendulum to complete one oscillation is called its time period. Reason (R): A slight change in displacement does not affect the time period of a pendulum.
A)
Both A and R are true and R is the correct explanation of A. done
clear
B)
Both A and R are true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
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question_answer49)
DIRECTIONS: The questions in this segment consists of two statements, one labeled as ?Assertion A? and the other labelled as ?Reason R?. You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): 100 years make 1 decade. Reason (R): Every century is divided into 10 decades
A)
Both A and R are true and R is the correct explanation of A. done
clear
B)
Both A and R are true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
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question_answer50)
DIRECTIONS: The questions in this segment consists of two statements, one labeled as ?Assertion A? and the other labelled as ?Reason R?. You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): A particle starting from rest and moving with uniform acceleration travels' a length of x and 3x in first two and next two- seconds. Reason(R): Displacement is directly proportional to velocity.
A)
Both A and R are true and R is the correct explanation of A. done
clear
B)
Both A and R are true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
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question_answer51)
DIRECTIONS: Read the following two statements carefully and choose the correct options. Statement 1: Speedometer records the speed of the vehicle generally in km/h. Statement 2: Odometer measures the distance moved by the vehicle in one hour.
A)
Statement (1) is correct while statement (2) is incorrect. done
clear
B)
Statement (2) is correct while statement (1) is incorrect. done
clear
C)
Both statements are correct done
clear
D)
Both statements are incorrect. done
clear
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question_answer52)
DIRECTIONS: Read the following two statements carefully and choose the correct options. Statement 1: The distance moved by an object in unit time is called its speed. Statement 2: Faster vehicles have higher speeds.
A)
Statement (1) is correct while statement (2) is incorrect. done
clear
B)
Statement (2) is correct while statement (1) is incorrect. done
clear
C)
Both statements are correct done
clear
D)
Both statements are incorrect. done
clear
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question_answer53)
DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: A pendulum swings backwards and forwards passing through Y, the middle point of the oscillation.
The first time the pendulum passes through Y a stopwatch is started. The twenty-first time the pendulum passes through Y, the stopwatch is stopped. The reading is T. What is the period of the pendulum?
A)
T/40 done
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B)
T/20 done
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C)
T/21 done
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D)
T/10 done
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question_answer54)
DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: Study the graph given below. How is the speed of the moving body vary with time?
A)
It goes on increasing done
clear
B)
It first decreases then becomes zero done
clear
C)
It increases then becomes constant but not zero done
clear
D)
It decreases then becomes constant but not zero done
clear
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question_answer55)
DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: The figure shows the distance-time graph for the motion of two vehicles X and Y.
Which one of them is moving faster?
A)
X done
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B)
Y done
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C)
Both move with same speed done
clear
D)
Y is faster initially, and then X gets faster. done
clear
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question_answer56)
DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: Which of the following graph does NOT represent constant speed?
A)
B)
C)
D)
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question_answer57)
DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: In the given velocity-time graph AB shows that the body has
A)
uniform acceleration done
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B)
uniform deceleration done
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C)
uniform velocity throughout the motion done
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D)
None of these done
clear
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question_answer58)
DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: Consider the following diagrams of an object in uniform motion and select the one that shows the object coming to rest suddenly. (A)
(B)
(C)
(D)
A)
A done
clear
B)
B done
clear
C)
C done
clear
D)
D done
clear
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question_answer59)
DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: Which graph below shows an object slowing down?
A)
B)
C)
D)
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question_answer60)
DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: The graph shows how the speed of a trolley changes as it moves across a floor.
How far does the trolley travel at constant speed?
A)
4m done
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B)
12m done
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C)
16m done
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D)
22m done
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question_answer61)
DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: The diagram shows a speed-time graph.
In which region is the acceleration decreasing?
A)
V to W done
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B)
W to X done
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C)
X to Y done
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D)
Y to Z done
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question_answer62)
DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: The graph shows the first five seconds of a car journey.
How far did the car travel in the first three seconds?
A)
6m done
clear
B)
9m done
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C)
15m done
clear
D)
18m done
clear
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question_answer63)
Which of the following is the unit of measuring distance of stars from the earth?
A)
Nautical miles done
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B)
Light years done
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C)
Meters done
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D)
Kilometers done
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question_answer64)
The smallest unit measured by a wrist watch accurately is
A)
mille second done
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B)
minute done
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C)
second done
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D)
Hour done
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question_answer65)
An early device used for measuring time was
A)
Watch with balance wheel done
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B)
Pendulum clock done
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C)
Sundial done
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D)
Sand glasses done
clear
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question_answer66)
The time taken by Renu to reach her school from her home was 15 minutes. If her speed is 2 m/s, then the distance between her home and her school is
A)
1.8km done
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B)
1km done
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C)
3km done
clear
D)
2.5km done
clear
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question_answer67)
Select the one that was used as a basis for measurement of time in earlier times.
A)
occurrence of periodic events done
clear
B)
Movement of a compass needle done
clear
C)
Reading an odometer done
clear
D)
None of these done
clear
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question_answer68)
Which of the following cannot be obtained from a given distance-time graph of a moving object?
A)
Speed of the object done
clear
B)
Time taken by object done
clear
C)
Change in position of object done
clear
D)
Change in Weight of object done
clear
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question_answer69)
The bob of a simple pendulum is set in motion (to and fro motion). In the beginning its time period was Is. After 30 oscillations, the bob appears to have slowed down; the time of one complete oscillation then would be
A)
1.5s done
clear
B)
2s done
clear
C)
1 s done
clear
D)
can't predict done
clear
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question_answer70)
The Sun appears to move across the sky during the day. The best explanation for this apparent motion is that Earth is
A)
Rotating on its axis done
clear
B)
Revolving around the Sun done
clear
C)
Much smaller than the Sun done
clear
D)
Tilted on its axis done
clear
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question_answer71)
A body moves along the circumference of a circular track of radius R. What is displacement of the body when it covers \[\frac{3}{4}th\] of its circumference?
A)
3R done
clear
B)
\[\frac{3}{4}\pi R\] done
clear
C)
\[\frac{3}{2}\pi R\] done
clear
D)
\[\sqrt{2}R\] done
clear
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question_answer72)
If a student rides his bicycle on a straight road and does not speed up or slow down, he is travelling with a
A)
Constant acceleration done
clear
B)
Constant velocity done
clear
C)
Positive acceleration done
clear
D)
Negative acceleration done
clear
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question_answer73)
Choose the correct statement
A)
Motion of a train on a straight bridge is a Circular motion done
clear
B)
Motion of a child on a see-saw is a straight line motion done
clear
C)
The basic unit of time is minute done
clear
D)
Distance between two cities is measured in kilometers. done
clear
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question_answer74)
If a body is moving at constant speed in a circular path, its
A)
Velocity is constant and its acceleration is zero done
clear
B)
Velocity and acceleration are both changing direction only done
clear
C)
Velocity and acceleration are both increasing done
clear
D)
Velocity is constant and acceleration is changing direction done
clear
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question_answer75)
If a car is traveling north on a straight road and its brakes are applied, it will
A)
Have no acceleration done
clear
B)
Accelerate to the south done
clear
C)
Accelerate to the north done
clear
D)
Accelerate either east or west done
clear
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question_answer76)
The direction of motion of a body is decided by________ of the body (i) Velocity (ii) acceleration (iii) Displacement (iv) speed
A)
(i) and (ii) only done
clear
B)
(ii) and (iii) only done
clear
C)
(i) and (iii) only done
clear
D)
(i), (ii) and (iii) done
clear
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question_answer77)
A body having zero speed (i) Is always under rest (ii) Has zero acceleration (iii) Has uniform acceleration (iv) Always under motion
A)
(i) and (ii) only done
clear
B)
(ii) and (iii) only done
clear
C)
(i) and (iii) only done
clear
D)
(i), (ii) and (iii) done
clear
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question_answer78)
The velocity of an object can be changed by (i) Changing the speed (ii) Changing the direction of motion (iii) Changing both the speed and direction of motion (iv) None of the above
A)
(i) and (ii) only done
clear
B)
(ii) and (iii) only done
clear
C)
(i) and (iii) only done
clear
D)
(i), (ii) and (iii) done
clear
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question_answer79)
In velocity-time graphs
A)
Velocity is taken along the Y-axis and Time is taken along the X-axis done
clear
B)
Straight line indicates uniform acceleration done
clear
C)
Straight line parallel to x-axis indicates uniform motion done
clear
D)
All of the above done
clear
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question_answer80)
The time-displacement graph shows
A)
An object moving with a uniform velocity done
clear
B)
An object moving with a non-uniform speed done
clear
C)
A uniformly accelerated motion done
clear
D)
No information done
clear
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question_answer81)
A man walks on a straight road from his home to market 2.5km away with a speed of 5 km/h. Finding the market closed, he instantly turns and walks back home with a speed of 7.5 km/h. The average speed of the man over the interval of time 0 to 40 min. is equal to -
A)
5 km/h done
clear
B)
25/4 km/h done
clear
C)
30/4 km/h done
clear
D)
45/8 km/h done
clear
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question_answer82)
Harish runs faster than Suresh in a given length. To compare the Harish and Suresh the physical quantities involved are:
A)
Length only done
clear
B)
Time only done
clear
C)
Length and time done
clear
D)
Neither length nor time done
clear
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question_answer83)
The time taken to complete 20 oscillations by a second?s pendulum is
A)
20s done
clear
B)
50s done
clear
C)
40s done
clear
D)
5s done
clear
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question_answer84)
The acceleration of a moving body can be found from
A)
Area under velocity-time graph done
clear
B)
Area under distance-time graph done
clear
C)
Slope of the velocity-time graph done
clear
D)
Slope of distance-time graph done
clear
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question_answer85)
If the v-t graph is a straight line inclined to the time axis, then
A)
\[a=0\] done
clear
B)
\[a\ne 0\] done
clear
C)
\[a=\text{constant}\ne \] done
clear
D)
\[a\ne \text{constant}\ne 0\] done
clear
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question_answer86)
Which of the following can be zero, when a particle is in motion for some time?
A)
Distance done
clear
B)
Displacement done
clear
C)
Speed done
clear
D)
none of them done
clear
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question_answer87)
If a train takes 5 hours to travel a distance of 250 km from Delhi to Jaipur, the average speed of the train is A x 10 km/h, where A is
A)
1 done
clear
B)
2 done
clear
C)
3 done
clear
D)
5 done
clear
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question_answer88)
DIRECTION: Match column-I with Column-II and select the correct answer using the code given below the columns.
Column - I | Column - II |
(A) Days | (p) Second |
(B) Months | (q) m/s |
(C) Time | (r) Meter |
(D) Speed | (s) The time from one sunrise to the next |
(E) Distance | (t) One new moon to the next. |
A)
A\[\to \] (q), B\[\to \] (p), C\[\to \] (s), D\[\to \] (t), E\[\to \] (r) done
clear
B)
A\[\to \] (p), B\[\to \] (s), C\[\to \] (r), D\[\to \] (q), E\[\to \] (t) done
clear
C)
A\[\to \] (s), B\[\to \] (t), C\[\to \] (p), D\[\to \] (q), E\[\to \] (r) done
clear
D)
A\[\to \] (r), B\[\to \] (q), C\[\to \] (t), D\[\to \] (s), E\[\to \] (p) done
clear
View Solution play_arrow
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question_answer89)
DIRECTION: Match column-I with Column-II and select the correct answer using the code given below the columns.
Column - I | Column - II |
(A) Physical quantity whose unit is cm \[{{s}^{-2}}\] in CGS system | (p) Linear motion |
(B) Negative acceleration | (q) Zero |
Motion exhibited by body moving in a straight line | (r) Distance |
(D) Area under a speed time graph | (s) Acceleration |
(E) Velocity of an upward throwing body at the pick point | (t) Retardation |
A)
A\[\to \] (q), B\[\to \] (s), C\[\to \] (t), D\[\to \] (p), E\[\to \] (r) done
clear
B)
A\[\to \] (s), B\[\to \] (t), C\[\to \] (p), D\[\to \] (r), E\[\to \] (q) done
clear
C)
A\[\to \] (t), B\[\to \] (q), C\[\to \] (s), D\[\to \] (t), E\[\to \] (r) done
clear
D)
A\[\to \] (r), B\[\to \] (s), C\[\to \] (q), D\[\to \] (p), E\[\to \] (r) done
clear
View Solution play_arrow
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question_answer90)
A)
A\[\to \](p, q), B\[\to \](r), C\[\to \](t), D\[\to \](s) done
clear
B)
A\[\to \](p), B\[\to \](q, r), C\[\to \](s), D\[\to \](t) done
clear
C)
A\[\to \](r), B\[\to \](q), C\[\to \](p, s), D\[\to \](t) done
clear
D)
A\[\to \](s), B\[\to \](q), C\[\to \](p), D\[\to \](r, t) done
clear
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question_answer91)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage-1
Which of the following describes the motion of the squirrel between 5 s and 8 s?
A)
The squirrel's speed increased done
clear
B)
The squirrel's speed decreased done
clear
C)
The squirrel's speed did not change done
clear
D)
The squirrel moved backward done
clear
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question_answer92)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage-1
Which of the following statements about the motion of the squirrel is true?
A)
The squirrel moved with the greatest speed between 0 s and 5 s. done
clear
B)
The squirrel moved with the greatest speed between 8 s and 10s. done
clear
C)
The squirrel moved with a constant speed between 0 s and 8 s. done
clear
D)
The squirrel moved with a constant speed between 0 s and 5 s. done
clear
View Solution play_arrow
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question_answer93)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage-1
What is the average speed of die squirrel between 8 s and 10 s.?
A)
0.4 m/s done
clear
B)
1 m/s done
clear
C)
2 m/s done
clear
D)
4 m/s done
clear
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question_answer94)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage-2 A walker follows the path from A to E (figure) over a 80s time interval. Now answer the following questions?
What total distance does the walker cover between A and E?
A)
160m done
clear
B)
80m done
clear
C)
20m done
clear
D)
40m done
clear
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question_answer95)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage-2 A walker follows the path from A to E (figure) over a 80s time interval. Now answer the following questions?
What is the walker's total displacement between A and E?
A)
160m done
clear
B)
80m done
clear
C)
20m done
clear
D)
40m done
clear
View Solution play_arrow
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question_answer96)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage-2 A walker follows the path from A to E (figure) over a 80s time interval. Now answer the following questions?
What is the walker's average velocity between A and E?
A)
16 m/s done
clear
B)
8 m/s done
clear
C)
m/s done
clear
D)
1 m/s done
clear
View Solution play_arrow
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question_answer97)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage-2 A walker follows the path from A to E (figure) over a 80s time interval. Now answer the following questions?
What is the walker's average speed between A and E?
A)
16 m/s done
clear
B)
8 m/s done
clear
C)
2 m/s done
clear
D)
1 m/s done
clear
View Solution play_arrow
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question_answer98)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage-2 A walker follows the path from A to E (figure) over a 80s time interval. Now answer the following questions?
What is the walker's average velocity between points B and D?
A)
16 m/s done
clear
B)
8 m/s done
clear
C)
0 m/s done
clear
D)
1 m/s done
clear
View Solution play_arrow
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question_answer99)
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage-2 A walker follows the path from A to E (figure) over a 80s time interval. Now answer the following questions?
What is the walker's average speed between B and D?
A)
16 m/s done
clear
B)
8 m/s done
clear
C)
2 m/s done
clear
D)
1 m/s done
clear
View Solution play_arrow
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question_answer100)
DIRECTIONS: The questions in this segment consist of two statements, one labeled as "Assertion A" and the other labeled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Velocity-time graph for an object in uniform motion along a straight path is a straight line parallel to the time axis. Reason (R): In uniform motion of an object velocity increases as the square of time elapsed.
A)
Both A and R is true and R is the correct explanation of A. done
clear
B)
Both A and R is true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
View Solution play_arrow
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question_answer101)
DIRECTIONS: The questions in this segment consist of two statements, one labeled as "Assertion A" and the other labeled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): The motion of a body moving in a circular path with constant speed is an example of variable acceleration. Reason (R): Acceleration varies due to change in direction.
A)
Both A and R is true and R is the correct explanation of A. done
clear
B)
Both A and R is true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
View Solution play_arrow
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question_answer102)
DIRECTIONS: The questions in this segment consist of two statements, one labeled as "Assertion A" and the other labeled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): The time period of a simple pendulum is indepdent of its length. Reason (R): The length of a pendulum is the distance between point of suspension and center of the bob.
A)
Both A and R is true and R is the correct explanation of A. done
clear
B)
Both A and R is true but R is not the correct explanation of A. done
clear
C)
A is true but R is false. done
clear
D)
A is false but R is true. done
clear
View Solution play_arrow
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question_answer103)
DIRECTIONS: Read the following three statements carefully and choose the correct option. Statement 1: Quartz clock gives more accurate measurement of time as compared to balance wheel clocks. Statement 2: The basic unit of time is second. Statement 3: Time from one sunrise to the next is called month
A)
Statement (1) and (3) are incorrect while statement (2) is correct. done
clear
B)
Statement (1) and (2) are incorrect while (3) is correct. done
clear
C)
All the statements are correct. done
clear
D)
All the statements are incorrect. done
clear
View Solution play_arrow
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question_answer104)
DIRECTIONS: Read the following three statements carefully and choose the correct option. Statement 1: A body can have acceleration even if its velocity is zero at a given instant of time. Statement 2: A body is momentarily at rest when it reverses its direction of motion. Statement 3: Acceleration is rate of change of velocity.
A)
Statement (1) and (3) are incorrect while statement (2) is correct. done
clear
B)
Statement (1) and (2) are incorrect while (3) is correct. done
clear
C)
All the statements are correct. done
clear
D)
All the statements are incorrect. done
clear
View Solution play_arrow
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question_answer105)
DIRECTIONS: On the basis of following diagram/picture answer the questions given below: Trolley X and trolley Y are joined by a stretched spring. Trolley X has twice the mass of trolley Y.
When the trolleys are released, the acceleration Of X is \[\text{2 m}/{{\text{s}}^{\text{2}}}\] to the right. What is the initial acceleration of trolley Y to the left?
A)
\[\text{1m}/{{\text{s}}^{\text{2}}}\] done
clear
B)
\[\text{2 m}/{{\text{s}}^{\text{2}}}\] done
clear
C)
\[\text{3 m}/{{\text{s}}^{\text{2}}}\] done
clear
D)
\[\text{4 m}/{{\text{s}}^{\text{2}}}\] done
clear
View Solution play_arrow
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question_answer106)
DIRECTIONS: On the basis of following diagram/picture answer the questions given below: One oscillation of a swinging pendulum occurs when the bob moves from X to Y and back to X again.
Using a stopwatch, which would be the most accurate way to measure the time for one oscillation of the pendulum?
A)
Time 20 oscillations and multiply by 20. done
clear
B)
Time 20 oscillations and divide by 20. done
clear
C)
Time one oscillation. done
clear
D)
Time the motion from X to Y, and double it. done
clear
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question_answer107)
DIRECTIONS: On the basis of following diagram/picture answer the questions given below: Which of the following is a velocity-time graph for a body moving with constant velocity?
A)
B)
C)
D)
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question_answer108)
DIRECTIONS: On the basis of following diagram/picture answer the questions given below: The graph given here shows the motion of four runners- P, Q, R and S in a 5 km marathon. Whose motion is the fastest?
A)
P done
clear
B)
Q done
clear
C)
R done
clear
D)
S done
clear
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question_answer109)
DIRECTIONS: On the basis of following diagram/picture answer the questions given below: Which of the following graphs represents the movement of a car that is slowing down and comes to a complete stop?
A)
B)
C)
D)
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question_answer110)
DIRECTIONS: On the basis of following diagram/picture answer the questions given below: Study the distance time graph of a toy car given here and choose the incorrect statement from the following.
A)
The toy car is fastest during fast 10 seconds done
clear
B)
The toy car is fastest in between 10 and 20 seconds done
clear
C)
Distance travelled during last 10 seconds in 5m done
clear
D)
None of these. done
clear
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question_answer111)
DIRECTIONS: On the basis of following diagram/picture answer the questions given below: Study the graph below showing the position of 3 runners, Pooja, Mayur and Hemant at two different times.
Who has run the fastest in between the 2nd and the 4th minute?
A)
Pooja done
clear
B)
Mayur done
clear
C)
Hemant done
clear
D)
Both Pooja and Hemant done
clear
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question_answer112)
DIRECTIONS: On the basis of following diagram/picture answer the questions given below: In the picture is shown a time-distance graph of two moving bodies A and B. Select the correct statement.
A)
A is moving faster than B done
clear
B)
A is moving slower than B done
clear
C)
B is always 20 m behind A done
clear
D)
B is always 20 m ahead of A done
clear
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question_answer113)
DIRECTIONS: On the basis of following diagram/picture answer the questions given below: Look at the distance-time graphs of two moving vehicles and select the correct statement
A)
Both the vehicles are moving with same constant speed done
clear
B)
(i) is moving with constant speed and (ii) is moving non-uniformly done
clear
C)
(ii) is moving with constant speed and (i) is moving non-uniformly done
clear
D)
None of the above is correct done
clear
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question_answer114)
DIRECTIONS: On the basis of following diagram/picture answer the questions given below: A racing car is fitted with an electronic monitoring system. Data from the car are used to plot a speed-time graph for part of the race. The graph is displayed on a computer screen.
The graph covers a period of time when the car is first at rest, then
A)
Moving with uniform speed and then moving with uniform acceleration. done
clear
B)
Moving with uniform speed and then moving with non-uniform acceleration. done
clear
C)
Moving with uniform acceleration and then moving with non-uniform acceleration. done
clear
D)
Moving with non-uniform acceleration and then moving with uniform acceleration. done
clear
View Solution play_arrow