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Tuning fork A has frequency 256 Hz. It p...

Tuning fork A has frequency 256 Hz. It produces 4 beats per second with fork B. When the prongs of fork B are rubbed little, it produces 2 beats per second with A. Find out frequencies of foek B, before and after rubbing its prongs.

Text Solution

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`f_(B) =252 Hz and f ._(B) =254 HZ OR 258 HZ`
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