Two tuning forks A and B vibrating simultaneously produce 5 beats. Fre – McqOptions

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1.	Two tuning forks A and B vibrating simultaneously produce 5 beats. Frequency of B is 512. It is seen that if one arm of A is filed, then the number of beats increases. Frequency of A will be [MP PMT 1991]
A.	502
B.	507
C.	517
D.	522
Answer» D. 522

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