When two tuning forks 
and 
are sounded together, 4 beats per second are heard. The frequency of the fork 
is 384 Hz . When one of the prongs of the fork 
is filed and sounded with 
, the beat frequency increases, then the frequency of the fork 
is:
Text Solution
Verified by ExpertsThe correct answer is:
B
We are given that when one of the prongs of fork 
is filed and sounded with 
, the beat frequency increases.
Filing a tuning fork increases its frequency
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