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16/09/2020 11:19 am
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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) 524 Hz
(2) 536 Hz
(3) 537 Hz
(4) 523 Hz
1 Answer
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16/09/2020 11:20 am
Correct answer: (1) 524 Hz