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MHT CET Physics question

PhysicsWavesMHT CET

A set of 25 tuning forks is arranged in order of decreasing frequencies. Each fork, produces 3 beats with succeeding one. If the first is octave of last, then the frequency of and fork in Hz are [MHT-CET 2023]

Answer: (C)

Solution

and , so Hz and Hz;

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Question ID VK-070429