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WorksheetsSOUND REVISION TEST
Total questions: 15
Worksheet time: 6mins
Humans can hear sound in the range of-
20-2000 Hz
2 kHz- 20 Khz
20- 20,000 Hz
200-20000 Hz
Vibration is also known as-
Vibratory motion
Translatory Motion
Oscillatory Motion
None of the Above
Sound is produced by?
Vibrating and non-vibrating Objects
Non - Vibrating Objects
Sound has no relation with vibration
Vibrating objects only
An Ultrasound Frequency works at a frequency -
Higher than 20,000 Hz
Lower than 20 Hz
Lower than 20,000 Hz
None of the Above
Loudness is measured in ?
Hertz
Seconds
Noise
Decibel
Pitch of a sound is determined by its ?
Frequency
Amplitude
Speed
Loudness
A pendulum oscillates 20 times in 4 seconds. Find its time period.
5 sec
0.001 sec
0.2 sec
0.1 sec
Loudness of a sound is determined by ?
Frequency
Amplitude
Noise
Pitch
The maximum displacement of a body from its mean position is called-
amplitude
frequency
time period
oscillation
In which medium , sound travels the fastest ?
solid
liquid
gas
vaccum
Which one of the following material will reflect sound better?
thermocole
paper
plastic box
steel
Eardrum is a part of ?
Sound producing organ
sound hearing organ
skeletal system
None of the above
The voice box is also called ?
stomach
heart
larynx
mouth
The voices of men, women and children's are different due to difference in their-
lungs
larynx
wind pipe
vocal chords
Unpleasant sound is called -
vibrating sound
noise
musical sound
none of the above
