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600
sec
1. Which of the following is not a characteristic of a sound wave?
A. Frequency
B. Amplitude
C. Speed
D. Reflection
2. The distance between two consecutive compressions is called
A. Frequency
B. Wavelength
C. Time period
D. Amplitude
3. The wavelength of a sound wave is represented by
A. ν
B. λ
C. A
D. T
4. The unit of wavelength is
A. Hertz
B. Second
C. Metre
D. Decibel
5. The number of complete oscillations per unit time is called
A. Amplitude
B. Frequency
C. Time period
D. Wavelength
6. The SI unit of frequency is
A. Second
B. Metre
C. Hertz
D. Newton
7. The time taken by two consecutive compressions to pass a fixed point is called
A. Amplitude
B. Time period
C. Frequency
D. Wavelength
8. The relationship between frequency and time period is
A. T = ν
B. T = 1/ν
C. ν = T
D. ν = T²
9. The SI unit of time period is
A. Second
B. Hertz
C. Metre
D. Joule
10. The property of sound that helps us identify different voices even with same pitch is
A. Loudness
B. Quality or timber
C. Frequency
D. Amplitude
11. The magnitude of the maximum disturbance from mean position is called
A. Wavelength
B. Amplitude
C. Frequency
D. Crest
12. Loudness of a sound depends on its
A. Frequency
B. Amplitude
C. Wavelength
D. Speed
13. The SI unit of amplitude for sound wave is same as that of
A. Time
B. Length or pressure
C. Velocity
D. Energy
14. The pitch of sound depends on its
A. Amplitude
B. Frequency
C. Wavelength
D. Speed
15. A soft sound has
A. Low amplitude
B. High amplitude
C. High frequency
D. Short wavelength
16. The speed of sound is given by the equation
A. v = λν
B. v = Aν
C. v = λ/A
D. v = ν/A
17. If wavelength increases, then for the same frequency, the speed of sound will
A. Decrease
B. Remain same
C. Increase
D. Become zero
18. The speed of sound depends mainly on
A. Nature and temperature of medium
B. Amplitude and frequency
C. Pressure and loudness
D. Intensity and pitch
19. The speed of sound is fastest in
A. Air
B. Water
C. Iron
D. Alcohol
20. As the temperature of a medium increases, the speed of sound
A. Decreases
B. Increases
C. Remains constant
D. Becomes zero
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