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MHT CET Physics question

PhysicsWavesMHT CET

Ten tuning forks are arranged in increasing order of frequency in such a way that any two nearest tuning forks produce 4 beats . The highest frequency is twice that of the lowest. Possible highest and lowest frequencies are

Answer: (D)

Solution

Ten forks have nine gaps of 4 Hz, so and give Hz and Hz; the pair 80 and

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Question ID VK-070305