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MHT CET Physics question

PhysicsWavesMHT CET

Ten tuning forks are arranged in increasing order of frequency, so that any two consecutive forks produces 4 beats. The highest frequency is twice that of the lowest. The possible lowest and highest frequencies in Hz are [MHTCET 2016]

Answer: (B)

Solution

If the lowest is , the highest is , and gives Hz and highest 72 Hz; the pairs

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Question ID VK-070422