Practice test

Oscillation and waves - Test Set 4

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Sound is produced due to:
    1. Refraction
    2. Vibration
    3. Rotation
    4. Reflection
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  2. Question 2

    What is the relation between frequency and time period?
    1. T=1+v
    2. T = v T=v
    3. T = 1 × v T=1×v
    4. T = 1 v T= v 1 ​
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  3. Question 3

    A particle in the medium completes 40 vibrations in 2.5 s. The frequency of the wave is:
    1. 8 Hz
    2. 16 Hz
    3. 25 Hz
    4. 50 Hz
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  4. Question 4

    Which one of the following phenomena cannot be exhibited by sound waves?
    1. Reflection
    2. Refraction
    3. Interference
    4. Polarisation
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  5. Question 5

    …… is a quantity that does not describe the nature of a wave.
    1. Wavelength
    2. Altitude
    3. Wave speed
    4. Frequency
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  6. Question 6

    In longitudinal waves, the particles vibrate in a …… direction of propagation.
    1. planar
    2. perpendicular
    3. parallel
    4. semicircular
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  7. Question 7

    Which of the following statements is/are true/false about speed of sound in different media at 25° C?
    I. In water (Sea), the speed of sound is 1531 m/s.
    II. In water (Distilled), the speed of sound is 1498 m/s.
    1. Only I is true
    2. Only II is true
    3. Both I and II are true
    4. Neither I nor II is true
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  8. Question 8


    What is the distance between a crest and a consecutive trough in a transverse wave?
    1. Wavelength
    2. Amplitude
    3. Half of the wavelength
    4. Twice of wavelength
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  9. Question 9

    When a longitudinal wave moves through a certain medium; the quantity which is transmitted through the medium is:
    1. Material of the medium only
    2. Energy only
    3. Both material of the medium and energy
    4. None of the above
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  10. Question 10

    At 20° C, the speed of sound in water is approximately:
    1. 330 m/s
    2. 800 m/s
    3. 1500 m/s
    4. 5000 m/s
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  11. Question 11

    Water waves are:
    1. Longitudinal
    2. Transverse
    3. Both longitudinal and transverse
    4. Neither longitudinal nor transverse
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  12. Question 12

    Which one of the following statements about sound is not correct?
    1. Sound travels at a speed slower than the speed of light
    2. Sound waves are transverse waves
    3. Sound waves are longitudinal waves
    4. Sound travels faster in moist air than in dry air
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  13. Question 13

    Which one of the following is not an electromagnetic wave?
    1. Light wave
    2. Radio wave
    3. Sound wave
    4. Microwave
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  14. Question 14

    Sound waves with frequencies below the audible range are called:
    1. Supersonic
    2. Infrasonic
    3. Ultrasound
    4. Ultrasonic
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  15. Question 15

    Which among the following determines the pitch of a sound?
    1. Amplitude
    2. Frequency
    3. Loudness
    4. Wavelength
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  16. Question 16

    The loudness of sound depends upon the:
    1. Velocity of sound waves in the medium
    2. Frequency of the sound waves
    3. Amplitude of the sound waves
    4. Frequency and velocity of the sound waves
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  17. Question 17

    Which of the following statements is not correct, regarding the travel of sound waves?
    1. Sound waves can travel through water
    2. Sound waves can travel through air
    3. Sound waves can travel through steel
    4. Sound waves can travel through vacuum
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  18. Question 18

    The sound will have the highest velocity in:
    1. Vacuum
    2. Air
    3. Water
    4. Steel
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  19. Question 19

    Sound waves travel fastest in:
    1. Solids
    2. Liquids
    3. Gases
    4. Vacuum
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  20. Question 20

    One important characteristic of sound is pitch, which depends upon:
    1. Intensity
    2. Frequency
    3. Quantity
    4. Amplitude
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