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String Fixed at Both Ends

Two guitar st...

Question

Two guitar strings A and B are slightly out of tune and produce beats of frequency 6Hz.The tension of the string found to decrease to 4 Hz. What is the original frequency of B if the frequency of a is 430Hz?

A

420 Hz

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B

424 Hz

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C

435 Hz

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D

436 Hz

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Solution

The correct option is B
424 Hz

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Similar questions

Two sitar strings A and B playing the note ‘Ga’ are slightly out of tune and produce beats of frequency 6 Hz. The tension in the string A is slightly reduced and the beat frequency is found to reduce to 3 Hz. If the original frequency of A is 324 Hz, what is the frequency of B?

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