Mathematics · Acoustic Beats
Two tuning forks A and B are sounded together giving rise to 8 beats in 2 s. When fork A is loaded with wax, the beat frequency is reduced to 4 beats in 2 s. If the original frequency of tuning fork B is 380 Hz, then the original frequency of tuning fork A is _____ Hz.
- 1378
- 2382
- 3384✓
- 4376
Correct answer
384
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