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JEE Main Physics Class 11 Waves Part 1 Questions

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Question : 53

Total: 100

Two sitar strings, A and B, playing the note 'Dha' are slightly out of tune and produce beats and frequency 5 Hz. The tension of the string B is slightly increased and the beat frequency is found to decrease by 3 Hz . If the frequency of A is 425 Hz, the original frequency of B is

[Online April 16, 2018]

430 Hz
428 Hz
422 Hz
420 Hz

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