When a body vibrates, it causes the air around it to undergo compression and rarefaction....
Sound
Question Category: Sound
Explain how sound is produced by your school bell?
When the gong strikes the bell, it causes the bell to vibrate. These vibrations travel...
Why are sound waves called mechanical waves?
Sound waves are called mechanical waves because they require a medium (such as air, water,...
Suppose you and your friend are on the moon. Will
On the moon, sound cannot travel as there is no atmosphere. Sound cannot travel in...
Which waves property determines (a) loudness (b) pitch?
a) Loudness is determined by the amplitude of the sound. Greater the amplitude more will...
Guess which sound has a higher pitch: guitar or car
A guitar has a higher pitch than a car horn. Reason: Pitch is determined by...
What are wavelength, frequency, time period and amplitude of a
Wavelength: The distances between two consecutive compressions or rarefaction of a wave. Its S.I unit...
Calculate the wavelength of a sound wave whose frequency is
frequency (f) = 220 Hz, Velocity (v) = 440 m/s Wavelength (λ) = v/f =...