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प्रश्न
What is a longitudinal wave ?
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उत्तर
In a longitudinal wave, the particles of air vibrate to and fro about their mean positions in the direction of travel of sound.
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संबंधित प्रश्न
Write true or false for a given statement.
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How can the pitch of sound produced in a piano be changed ?
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(a) by density-distance graph?
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Sound cannot travel through __________, but it requires a ___________.
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What is musical sound? Give an example.
Select the correct option:
If the frequency of a wave is 25 Hz. the total number of compressions and rarefactions passing through a point in 1 second is :
Number of vibrations produced in one second is ______.
Unwanted sounds are called ______.
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