NEET 2020

NEET 2020 Physics question on Oscillations and Waves

In a guitar, two strings A and B made of same material are slightly out of tune and produce beats of frequency 6 Hz. When tension in B is slightly decreased, the beat frequency increases to 7 Hz. If the frequency of A is 530 Hz, the original frequency of B will be:
  1. A.
    524 Hz
  2. B.
    536 Hz
  3. C.
    537 Hz
  4. D.
    523 Hz
Show answer

Correct option: A

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