Two tuning forks A and B produce 8 beat/s when sounded together. When B is slightly loaded with a wax the beats are reduced to 4 per sec. If the frequ

Question

Two tuning forks A and B produce 8 beat/s when sounded together. When B is slightly loaded with a wax the beats are reduced to 4 per sec. If the frequ

Two tuning forks A and B produce 8 beat/s when sounded together. When B is slightly loaded with a wax the beats are reduced to 4 per sec. If the frequency of A is 512 Hz, the frequency of B is
A. 508 Hz
B. 516 Hz
C. 504 Hz
D. 520 Hz

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
`n_(B) = n_(A) +- 8`
`= 512 +- 8 = 520 or 504 Hz`
`n_(B) = 512 +- 4 = 516 or 508 Hz`
`:. n_(B) = 520 Hz`

5 views Answered 2023-02-05 15:29