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MHT CET Physics question

PhysicsWavesMHT CET

A set of 28 tuning forks is arranged in an increasing order of frequencies. Each fork produces 'x' beats per second with the preceding fork and the last fork is an octave of the first. If the frequency of the 10 fork is 144 Hz, the value of 'x' is [MHT-CET 2018]

Answer: (C)

Solution

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Question ID VK-070640