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प्रश्न
Define the term Frequency (as applied to sound waves)
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उत्तर
The number of vibrations per second taken by a wave is called its frequency.
संबंधित प्रश्न
Define wave velocity term in relation to a wave.
State two differences between the light and sound waves.
The following diagram shows three ways in which the string of an instrument can vibrate.

(a) which of the diagram shows the principal note?
(b) which has the frequency four times that of the first?
(c) what is the ratio of the frequency of the vibration in (i) and (ii)?
What are mechanical waves?
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Write the approximate value of the speed of sound in water.
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