question_answer 1)
Which of these travels faster: Sound or Light?
A)
Sound done
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B)
Light done
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C)
Both travel at the same speed done
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D)
None of these done
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question_answer 2)
Mirror: Reflection: Prism: _______.
A)
Reflection done
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B)
Transmission done
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C)
Refraction done
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D)
Light done
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question_answer 3)
Water: _______:: Book : Opaque.
A)
Transparent done
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B)
Translucent done
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C)
Opaque done
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D)
Visible done
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question_answer 4)
Sound waves do not travel through _______.
A)
Solids done
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B)
liquids done
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C)
Gases done
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D)
vacuum done
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question_answer 5)
What type of particles make up light?
A)
Air done
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B)
Atom done
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C)
Molecules done
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D)
Photons done
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question_answer 6)
_______ Coloured objects absorb the light of all wavelengths.
A)
White done
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B)
Black done
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C)
Blue done
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D)
Red done
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question_answer 7)
Pick the odd one out.
A)
Sonic boom done
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B)
Doppler effect done
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C)
Acoustic done
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D)
Optics done
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question_answer 8)
How can you hear someone who is in another room?
A)
Because sound travels done
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B)
Because sound swims done
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C)
Because sound laughs done
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D)
Because sound eats done
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question_answer 9)
Why do we hear echoes?
A)
Because an echo is a reflected sound done
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B)
Because an echo is a rejected sound done
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C)
Because an echo is a deflected sound done
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D)
None of the above done
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question_answer 10)
Name an object that allows us to increase the volume of a sound.
A)
Tobies done
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B)
Boxes done
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C)
Speakers done
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D)
Drums done
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question_answer 11)
Human beings can see infrared rays.
A)
Yes done
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B)
No done
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C)
Maybe done
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D)
Some people with 6 by 6 eyesight can see done
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question_answer 12)
Light travels in very narrow beams called ________.
A)
Electric rays done
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B)
Light rays done
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C)
LED rays done
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D)
Bulb rays done
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question_answer 13)
Which of the following is not considered matter.
A)
Air done
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B)
Light done
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C)
Book done
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D)
None of these done
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question_answer 14)
Which of the following types of waves is visible?
A)
X-rays done
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B)
microwaves done
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C)
radio waves done
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D)
none of these done
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question_answer 15)
Photons are tiny little particles of light, far too small to be seen. All light is made up of photons. Who has developed the concept of photon?
A)
Christian Doppler done
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B)
Both (a) and (c) done
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C)
Newton done
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D)
Albert Einstein done
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question_answer 16)
Our ability to see objects depends on the reflection of light.
A)
Yes done
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B)
No done
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C)
Sometimes done
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D)
It happens only with Indians. done
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question_answer 17)
Sounds are made by our _______ vibrating in our throat.
A)
spinal cord done
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B)
vocal cords done
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C)
lungs done
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D)
none of these done
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question_answer 18)
When you see a red shirt, then the shirt is not absorbing which of the following colours?
A)
Red done
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B)
Orange done
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C)
White done
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D)
All colours done
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question_answer 19)
How frequency and wavelength of light are related?
A)
Inversely done
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B)
Directly done
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C)
Proportionally done
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D)
not related done
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question_answer 20)
Which of the following is created by a plane when it breaks the sound barrier?
A)
Spectrum done
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B)
Wavelength done
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C)
Sonic boom done
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D)
Pitch done
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question_answer 21)
Match the following:
List I List II A Decibel 1 Frequency B Hertz 2 Objects completely reflecting light C Opaque 3 Degree of highness or lowness of tone D Pitch 4 Measure of volume/loudness
A B C D
A)
2 3 1 4 done
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B)
1 3 4 2 done
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C)
4 2 1 3 done
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D)
4 1 2 3 done
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question_answer 22)
What does T' stand for in the VIB6YOR?
A)
Ink blue done
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B)
Indigo done
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C)
Ivory done
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D)
None of these done
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question_answer 23)
Which phenomenon of light is depicted in the following figure?
A)
Refraction done
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B)
Reflection done
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C)
Wavelength done
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D)
Optical illusion done
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question_answer 24)
Which phenomenon is depicted in the following picture?
A)
Sonic boom done
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B)
Echo done
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C)
Sound barrier done
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D)
Doppler effect done
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question_answer 25)
Read the statements and choose the correct option. Statement A: If a wave has a short wavelength, then it will have high frequency. Statement B: If a wave has a short frequency, then it will have high wavelength.
A)
Only statement A is true. done
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B)
Only statement B is true. done
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C)
Both the statements are true. done
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D)
Both the statements are false. done
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question_answer 26)
Answer the following riddle: 'I am the first you ever saw, what greets you every morning and what goes out in the end"
A)
Mother done
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B)
Wife done
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C)
Light done
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D)
Sound done
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question_answer 27)
Match the following:
List I List II A Red 1 Absorbs all light B Black 2 Reflects all lights C Violet 3 Longest wavelength D White 4 Shorter wavelength
A B C D
A)
3 1 4 2 done
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B)
1 3 2 4 done
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C)
2 3 1 4 done
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D)
4 1 2 3 done
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question_answer 28)
Sound and light waves both _________.
A)
Have similar wavelength done
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B)
Obey the laws of reflection done
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C)
Travel as longitudinal waves done
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D)
Travel through vacuum done
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question_answer 29)
When there is rainfall, we all love seeing the rainbows in the sky. It manifolds the beauty of the nature. And when looked closely we can distinguish all the seven colours of the rainbow. Can you tell what phenomenon of light leads to the formation of rainbows?
A)
Reflection of light done
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B)
Refraction of light done
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C)
Rainbows do not exist, it is mere illusion of our eyes done
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D)
Rarefaction done
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question_answer 30)
An observer on the ground will hear a sonic boom from an airplane travelling faster than the speed of sound:
A)
Only when the plane breaks the sound barrier. done
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B)
As the plane is approaching. done
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C)
When the plane is directly overhead. done
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D)
After the plane has passed by. done
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question_answer 31)
Amit's brother Ajit is a professional photographer who lives in Delhi. Once during his visit to belhi, Amit asked his brother to take him along to his studio. When they reached there, Ajit went to a dark room. This room was red in colour and made Amit think why the light used in the room was red and not any other colour. Ajit told him that there is a scientific phenomenon behind the red colour. Below are given the options which might be the explanation given by Ajit to Amit to make him understand the concept behind the use of red light. Choose the most suitable option.
A)
Red colour makes a beautiful ambience that is soothing to the eyes. done
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B)
Red colour has the highest wavelength and thus the lowest frequency. This also means that it has the least energy which does not hinder with the process of developing photographs. done
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C)
Red colour has the energy which makes the process of developing photographs easy. done
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D)
All of these. done
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question_answer 32)
[1 Across] I am triangular in shape. I have 5 faces and 4 vertices. I can disperse a white light into seven beautiful colours. I am used to study phenomenon of light. Who am I?
A)
Pyramid done
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B)
Cone done
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C)
Prism done
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D)
Triangle done
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question_answer 33)
[1 Down] What is the quality of a sound governed by the rate of vibrations producing it called?
A)
Pitch done
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B)
Oscillation done
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C)
Point done
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D)
Power done
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question_answer 34)
[2 Across] ______ is used to quantify the measure of loudness.
A)
Hertz done
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B)
Decibel done
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C)
Volume done
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D)
Frequency done
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question_answer 35)
[3 Across] It is the measure of how fast the speed wave is oscillating.
A)
Hertz done
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B)
Frequency done
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C)
Vibration done
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D)
Wavelength done
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question_answer 36)
[4 Down] The object that reflects some light and lets some light pass and which tends to scatter the light _____.
A)
Transparent done
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B)
opaque done
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C)
Shiny done
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D)
translucent done
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question_answer 37)
When sound travels through air, the air particles ____.
A)
Vibrate along the direction of wave propagation done
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B)
Vibrate but not in any fixed direction done
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C)
Vibrate perpendicular to the direction of wave propagation done
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D)
Do not vibrate done
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question_answer 38)
Read the statements and choose the correct option. Statement A: We can hear all the sound that is being made in the universe. Statement B: We can see all the wavelengths of light.
A)
Only A is true. done
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B)
Only B is true. done
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C)
Both A and Bore true. done
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D)
Both A and B are false. done
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question_answer 39)
Match the following:
List I List II A 1 speed of sound in air B 8 minutes 2 Speed greater than speed of sound in air. C 343 m/s 3 time taken by light to reach earth from sun. D Sonic boom 4 speed of light in air.
A B C D
A)
3 1 2 4 done
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B)
4 3 1 2 done
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C)
2 3 4 1 done
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D)
4 1 3 2 done
clear
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question_answer 40)
Directions: Read the passage and answer the following questions. Sound is caused by vibrations. Air is a gas water is a liquid. Gases are very thin in comparison to liquids, so when a sound travels through air it vibrates the air very easily without much distortion (changes). When a sound travels through a liquid it has to move through a thicker substance. This means that the sound has more difficulty causing the vibrations. So although sound travels better in water, it is harder to hear properly. Sound is caused by:
A)
Dancing done
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B)
vibration done
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C)
Jumping done
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D)
none of these done
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question_answer 41)
Directions: Read the passage and answer the following questions. Sound is caused by vibrations. Air is a gas water is a liquid. Gases are very thin in comparison to liquids, so when a sound travels through air it vibrates the air very easily without much distortion (changes). When a sound travels through a liquid it has to move through a thicker substance. This means that the sound has more difficulty causing the vibrations. So although sound travels better in water, it is harder to hear properly. Air is a gas and water is a:
A)
Liquid done
clear
B)
gas done
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C)
Solid done
clear
D)
none of these done
clear
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question_answer 42)
Directions: Read the passage and answer the following questions. Sound is caused by vibrations. Air is a gas water is a liquid. Gases are very thin in comparison to liquids, so when a sound travels through air it vibrates the air very easily without much distortion (changes). When a sound travels through a liquid it has to move through a thicker substance. This means that the sound has more difficulty causing the vibrations. So although sound travels better in water, it is harder to hear properly. When a sound travels through a liquid it has to move through a ____ substance
A)
Thinner done
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B)
thicker done
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C)
Lighter done
clear
D)
none of these' done
clear
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question_answer 43)
Directions: Read the passage and answer the following questions. Sound is caused by vibrations. Air is a gas water is a liquid. Gases are very thin in comparison to liquids, so when a sound travels through air it vibrates the air very easily without much distortion (changes). When a sound travels through a liquid it has to move through a thicker substance. This means that the sound has more difficulty causing the vibrations. So although sound travels better in water, it is harder to hear properly. Although sound travels better in water, it is ___ to hear properly.
A)
Better done
clear
B)
smoother done
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C)
Harder done
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D)
comfortable done
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question_answer 44)
Directions: Read the passage and fill up the blanks with suitable options. One of the characteristics of light is that it behaves like a __ (44) __. As a result, light can be defined by its wavelength and __ (45) __. The frequency is how fast the wave vibrates or goes up and __ (46) __. The wavelength is the distance between two peaks of the wave. Frequency and __ (47) __ are inversely related, meaning that a low frequency wave has a __ (48) __ wavelength and vice versa.
A)
ball done
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B)
wave done
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C)
Drum done
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D)
bat done
clear
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question_answer 45)
Directions: Read the passage and fill up the blanks with suitable options. One of the characteristics of light is that it behaves like a __ (44) __. As a result, light can be defined by its wavelength and __ (45) __. The frequency is how fast the wave vibrates or goes up and __ (46) __. The wavelength is the distance between two peaks of the wave. Frequency and __ (47) __ are inversely related, meaning that a low frequency wave has a __ (48) __ wavelength and vice versa.
A)
frequency done
clear
B)
wavelength done
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C)
Frequency done
clear
D)
sequency done
clear
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question_answer 46)
Directions: Read the passage and fill up the blanks with suitable options. One of the characteristics of light is that it behaves like a __ (44) __. As a result, light can be defined by its wavelength and __ (45) __. The frequency is how fast the wave vibrates or goes up and __ (46) __. The wavelength is the distance between two peaks of the wave. Frequency and __ (47) __ are inversely related, meaning that a low frequency wave has a __ (48) __ wavelength and vice versa.
A)
up done
clear
B)
low done
clear
C)
Down done
clear
D)
none of these done
clear
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question_answer 47)
Directions: Read the passage and fill up the blanks with suitable options. One of the characteristics of light is that it behaves like a __ (44) __. As a result, light can be defined by its wavelength and __ (45) __. The frequency is how fast the wave vibrates or goes up and __ (46) __. The wavelength is the distance between two peaks of the wave. Frequency and __ (47) __ are inversely related, meaning that a low frequency wave has a __ (48) __ wavelength and vice versa.
A)
length done
clear
B)
wavelength done
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C)
Length wave done
clear
D)
none of these done
clear
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question_answer 48)
Directions: Read the passage and fill up the blanks with suitable options. One of the characteristics of light is that it behaves like a __ (44) __. As a result, light can be defined by its wavelength and __ (45) __. The frequency is how fast the wave vibrates or goes up and __ (46) __. The wavelength is the distance between two peaks of the wave. Frequency and __ (47) __ are inversely related, meaning that a low frequency wave has a __ (48) __ wavelength and vice versa.
A)
high done
clear
B)
short done
clear
C)
dense done
clear
D)
none of these done
clear
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question_answer 49)
Rahul loves music player so his father gifted him a music player on his birthday. He started listening songs through earphones at very high volume. As his elder brother what will you suggest him?
A)
Stop listening music done
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B)
Listening music at higher volume can damage ears. done
clear
C)
Take away his music players. done
clear
D)
Listening music is not good for health. done
clear
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question_answer 50)
Which of the following is true. Light behaves like both a particle as well as a wave. Light moves at the slowest known speed in the universe. Speed of light in air is 2.99 x 108 metre per second.
A)
TTT done
clear
B)
FFF done
clear
C)
TFF done
clear
D)
TFT done
clear
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