The to - and - fro motion of a body about its mean position is called
Shrillness of the sound, also called as pitch, is determined by which characteristic of sound?
Which surface absorbs sound better?
Prolonged exposure to noise louder than ____ can lead to permanent hearing damage.
Sounds whose frequencies are greater than 20,000 Hz are called
In which of the following materials is the speed of sound maximum?
Pitch of sound depends on
Time taken by an object to complete one oscillation is called
Which of the following frequencies a man can hear?
In our ears, the vibrations in the air are picked up by which ear?
Sound of frequency 320Hz is of lower pitch than the sound of frequency
The quality of sound produced by a tuning fork is different from that produced by a musical instrument because of the difference in
Voice of which of these is likely to have a minimum frequency?
In stringed instruments, frequency of sound produced depends on
The astronauts on the moon can see each other but cannot hear each other because