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question_answer1)
Which car, moving from rest, has an average acceleration of \[2.0\text{ }m\text{ }{{s}^{-2}}\]?
A)
A car reaching a speed of \[10\text{ }m\text{ }{{s}^{-1}}\]in 2 s. done
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B)
A car reaching a speed of \[20\text{ }m\text{ }{{s}^{-1}}\] in 5 s. done
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C)
A car reaching a speed of \[30\text{ }m\text{ }{{s}^{-1}}\]in 10 s. done
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D)
A car reaching a speed of \[40\text{ }m\text{ }{{s}^{-1}}\] in 20 s. done
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question_answer2)
A body moves with uniform velocity. Which of the graphs shown here is a graph of velocity against time for this motion?
A)
B)
C)
D)
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question_answer3)
Sunil and Rohit start at one end of a street, the origin and run to the other end, then head back. On the way back, Sunil is ahead of Rohit. Which statement is correct about the distances run and the displacements from the origin before reaching the origin?
A)
Sunil has run a greater distance and his displacement is greater than Rohit's. done
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B)
Rohit has run a greater distance and his displacement is greater than Sunil's. done
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C)
Sunil has run a greater distance but his displacement is lesser than Rohit's. done
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D)
Rohit has run a greater distance but his displacement is lesser than Sunil's. done
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question_answer4)
Which of the following statements is correct for a particle travelling with a constant speed along a straight road?
A)
Its position remains constant as time passes. done
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B)
It covers equal distances in unequal time intervals. done
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C)
Its acceleration is zero. done
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D)
It does not change its direction of motion. done
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question_answer5)
The figure shows the distance-time graph for the motion of two cars 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 are moving with same speed. done
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D)
Y is faster initially, then X gets faster. done
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question_answer6)
Oscillations are set in a simple pendulum whose length is 2 m and mass of the bob is 2 kg. Its time period
A)
Is always constant done
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B)
Increases slowly done
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C)
Decreases slowly done
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D)
First increases then decreases. done
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question_answer7)
The displacement-time graphs of two bodies A and B are shown in figure. Which of the following statements is correct?
A)
A is moving faster than B. done
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B)
B is moving faster than A. done
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C)
B is always 20 m behind A. done
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D)
A is always 20 m behind B. done
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question_answer8)
The object starts from 0 having a straight line motion along the path OPQRS is represented by the distance-time graph shown in figure. Match the given statements to the different parts of the graph correctly.
(i) Object is moving with maximum speed. |
(ii) Object starts moving in reversed direction. |
(iii) Object is at rest. |
(iv) Average velocity of object is zero. |
A)
B)
C)
D)
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question_answer9)
A car at 7:30 am is moving at a constant speed of \[4\text{ }km\text{ }mi{{n}^{-1}}\] and an odometer reading recorded is 28568 km. What would be the odometer reading at 9:15 am?
A)
28673 km done
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B)
28988 km done
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C)
29255 km done
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D)
28568 km done
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question_answer10)
Two pendulums of different length having different weight of bob are shown in diagrams. With reference of these two pendulums, identify the correct statement.
A)
Pendulum A has higher time period than pendulum B. done
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B)
Pendulum A has lower time period than pendulum B. done
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C)
Both the pendulums have same time period. done
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D)
Data is insufficient to compare time period. done
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question_answer11)
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A car follows the given path as shown in figure. What will be average speed of the car?
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A)
\[1.25\text{ }km\text{ }{{h}^{-1}}\] done
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B)
\[33.33\text{ }km\text{ }{{h}^{-1}}\] done
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C)
\[214.28\,km\,{{h}^{-1}}\] done
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D)
\[48\text{ }km\text{ }{{h}^{-1}}\] done
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question_answer12)
In the given figures, there are two watches X and Y. Watch X represents an hour and a minute hand and watch Y represents an hour, a minute and a second hand.
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Which of the following statements is/are incorrect for these two watches?
(i) Time interval of 1h 15 min can be measured by watch X only. |
(ii) Time interval of 2 min 2 s can be measured by watch Y only. |
(iii) Time 3:15:20 can be shown by both the watches X and Y. |
A)
Only (i) and (ii) done
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B)
Only (i) and (iii) done
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C)
Only (iii) done
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D)
Only (ii) done
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question_answer13)
In the given figure, two cars coming from town P are traveling with a speed of\[65\text{ }km\text{ }{{h}^{-1}}\]. When they reach the cross road, one of the car turns towards town Q whereas the other continues forward towards town R. Both continue to move with the same speed of \[65\text{ }km\text{ }{{h}^{-1}}\].
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Which of the following options is correct for given statements?
(i) Both cars have same velocities even if the car turns towards town 0. |
(ii) Two bodies have same velocities if they are moving with same speed in different directions, |
A)
Both (i) and (ii) are correct and (ii) is the correct explanation of (i). done
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B)
Both (i) and (ii) are correct but (ii) is not the correct explanation of (i). done
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C)
Only (i) is correct. done
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D)
Neither (i) nor (ii) is correct. done
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question_answer14)
Which one of the following is an example of uniform motion?
A)
A car is moving on road having traffic, done
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B)
A train entering a railway station. done
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C)
Motion of a butterfly. done
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D)
An aeroplane flying at a speed of \[750\text{ }km\text{ }{{h}^{-1}}\] towards north, done
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question_answer15)
A train leaves a station X at 5:00 pm and reaches to another station Vat midnight. Its speed is \[90\text{ }km\text{ }{{h}^{\tilde{\ }1}}\]? What is the distance between X and Y?
A)
480 km done
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B)
630 km done
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C)
800 km done
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D)
830 km done
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question_answer16)
A)
(a)-(i), (b)-(ii), (c)-(iii), (d)-(iv) done
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B)
(a)-(ii), (b)-(iii), (c)-(iv), (d)-(i) done
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C)
(a)-(iii), (b)-(ii), (c)-(i), (d)-(iv) done
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D)
(a)-(iv), (b)-(i), (c)-(ii), (d)-(iii) done
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question_answer17)
Velocity-time graph for a particle moving on a straight line is shown in the figure. Select the correct
A)
The particle has never turned around. done
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B)
The particle has zero displacement. done
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C)
The average speed in the interval 0 s to 10 s is the same as the average speed in the interval 10 s to 20 s. done
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D)
Both (A) and (B) done
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question_answer18)
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 first 10 seconds. done
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B)
The toy car is slowest in between 10 and 20 seconds. done
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C)
Distance travelled during last 10 seconds is 3 m. done
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D)
Total distance covered by the toy car is 10 m. done
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question_answer19)
Speed-distance graph of an object which comes to rest suddenly is
A)
B)
C)
D)
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question_answer20)
The diagram below shows some passengers sitting in the moving bus and a person, a tree and a house standing outside. With reference to the diagram, choose the correct option.
(i) Fora passenger sitting within the bus, the tree and house appear to be moving in backward direction relative to a co-passenger. |
(ii) For a person standing on the road, the bus seems to be moving in the forward direction relative to tree and house. |
(iii) For a passenger sitting within the bus, a person standing on the road seems to be moving in forward direction relative to a co-passenger. |
A)
Only (i) and (ii) done
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B)
Only (ii) and (iii) done
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C)
Only (i) and (iii) done
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D)
All (i), (ii) and (iii) done
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