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Periodic Motion

What happens ...

Question

What happens to the frequency of the wire when the resonating length of the wire increases?

A

Increases

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B

Either increases or decreases

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C

Decreases

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D

No change in the frequency.

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Solution

The correct option is D Decreases
The frequency of vibration of a string is inversely proportional to the square root of the length of the wire
Thus, as length increases, frequency decreases
The correct option is (c)

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