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Two strings X and Y of a sitar produce a...

Two strings X and Y of a sitar produce a beat frequency 4 Hz.When the tension of the string Y is slightly increased the beat frequency is found to be 2 Hz. If the frequency of X is 300 Hz,then the original frequency of Y was

A

`296 Hz`

B

`298 Hz`

C

`302 Hz`

D

`304 Hz`

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The correct Answer is:
A
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