Question
Sun February 24, 2013 By:

A standard tuning fork A has a frequency 480Hz. Another tuning fork B gives 6 beats with it. B is slightly filed and now the beat frequency is found to be 2.Find the original frequency of B.

Expert Reply
Tue February 26, 2013
nB-480=6
nB>nA as B is slightly filed and now the beat frequency is found to be less.
so nB=486Hz
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