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MHT CET Physics question

PhysicsWavesMHT CET

Two tuning forks A and B give 4 beat per second, when sounded together. If the fork B is loaded with wax, 8 beat per second are heard, If the frequency of A is 320 Hz, the original frequency of the tuning fork B is :

Answer: (B)

Solution

; loading lowers and the beats increase from 4 to 8, so was below 320, i.e. 316 Hz, becoming

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Question ID VK-069993