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- 1. Multiple Choice
The loudness of a sound depends on:
Amplitude
Frequency
Time period
Speed
- 2. Multiple Choice
The loudness of sound is measured in units of
Decibel (dB)
Hertz (Hz)
Metre (m)
Metre/Second (m/s)
- 3. Multiple Choice
Pitch of sound is determined by its
frequency
amplitude
speed
loudness
- 4. Multiple Choice
Sound is a kind of
work
energy
force
pressure
- 5. Multiple Choice
Human can hear sound in the range of
200-2000 Hz
20-20,000 Hz
2-20000 Hz
2000-200000 Hz
- 6. Multiple Choice
The number of oscillations per second is called
Amplitude of oscillation
Pitch of oscillation
Frequency of oscillation
None of the above
- 7. Multiple Choice
Sound cannot travel through
vacuum
air
water
solid
- 8. Multiple Choice
The velocity of sound at 20°C is approximately
3400 m/sec
340 m/sec
430 m/sec
304 m/sec
- 9. Multiple Choice
The number of vibrations made by a vibrating body in one second is
frequency
noise
loudness
pitch
- 10. Multiple Choice
The voice box is also called as
stomach
heart
larynx
mouth
- 11. Multiple Choice
The sound in the audible range is called
ultrasonic sound
sonic sound
subonic sound
light sound
- 12. Multiple Choice
The maximum displacement of a body from its mean position is called
amplitude
oscillation
periodic motion
frequency
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