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MHT CET Physics question

PhysicsWavesMHT CET

An open pipe is suddenly closed at one end with the result that the frequency of third harmonic of the closed pipe is found to be higher by 100 Hz than the fundamental frequency of the open pipe. The fundamental frequency of the open pipe is

Answer: (A)

Solution

If the open pipe has fundamental , the closed pipe has fundamental and third harmonic ;

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Question ID VK-070288