Two tuning forks when sounded together produced 4 beats/sec. The frequ – McqOptions

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1.	Two tuning forks when sounded together produced 4 beats/sec. The frequency of one fork is 256. The number of beats heard increases when the fork of frequency 256 is loaded with wax. The frequency of the other fork is [CPMT 1976; MP PMT 1993]
A.	504
B.	520
C.	260
D.	252
Answer» D. 252

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