Advertisements
Advertisements
Question
What is sound? What type of waves are sound wave in air?
Advertisements
Solution
Sound is a form of energy that makes us to hear. Sound waves are longitudinal waves in air.
APPEARS IN
RELATED QUESTIONS
What are wavelength, frequency, time period and amplitude of a sound wave?
On what factor does the loudness of a sound depend ?
List four substances which are good absorbers of sound.
Define the term wave velocity. Write its S.I. unit.
The separation between two consecutive crests in a transverse wave is 100 m. If wave velocity is 20 m s-1, find the frequency of wave.
A source of wave produces 40 crests and 40 troughs in 0.4 s. What is the frequency of the wave?
An observer A fires a gun and another observer B at a distance 1650 m away from A hears its sound. If the speed of sound is 330 m s-1, find the time when B will hear the sound after firing by A.
Mention two cases in which there is no Doppler effect in sound?
What is a wave?
