1.

A tuning fork gives 5 beats with another tuning fork of frequency 100 Hz. When the first tuning fork is loaded with wax, then the number of beats remains unchanged, then what will be the frequency of the first tuning fork [MP PMT 1985]

A.   95 Hz   
B.   100 Hz
C.   105 Hz 
D.   110 Hz
Answer» D.   110 Hz


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