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. Findout frequencies of foek B, before and after rubbing its prongs.

Tuning fork A has frequency 256 Hz. It produces 4 beats per second wit

1.	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. Findout frequencies of foek B, before and after rubbing its prongs.
Answer» SOLUTION :`f_(B) =252 HZ and f ._(B) =254 HZ OR 258 HZ`