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How do we produce sound ?
Define the term wave velocity. Write its S.I. unit.
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.
What type of sound is produced by elephants and whales?
Sound waves travel very fast in
Consider the statement given below and choose the correct option.
Assertion: When lightning strikes, the sound is heard a little after the flash is seen.
Reason: The velocity of light is greater than that of the sound.
A musical instrument is producing continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through ______.
Describe with diagram, how compressions and rarefactions are produced.
Waves created by Earth Quake are Infrasonic.
