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WorksheetsSound
Total questions: 10
Worksheet time: 3mins
Sound needs a medium for its propagation.
True
False
A wave in which the particles of the medium vibrate about their mean positions, in the direction of propagation of sound is called
Frequency
Transverse wave
Longitudinal wave
Wavelength
Pitch depends on
Amplitude
Frequency
Waveform
Time period
Which of the following are wind instruments
Guitar
Clarinet
Dholak
Bugle
Two waves A and B are of amplitudes 8cm and 9cm respectively. Which sound is louder?
Sound A
Sound B
Both of the above
Cannot be determined by the given data
What is the unit of loudness
hertz (Hz)
metre (m)
second (s)
decibel (dB)
Given here is a wave form. Which source of sound produces the wave form?
Tuning fork
Piano
Guitar
Drum
The intensity of sound cannot be measured, but loudness can be measured.
True
False
The safe limit of loudness of audible sound is
above 80 dB
120 dB
0- 80 dB
above 120 dB
How are frequency and time period related?
Frequency= Time period/ 2
Frequency= 1/ Time period
Frequency= 1/ Frequency
Frequency= Time period
