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MHT CET Physics question

PhysicsWavesMHT CET

In fundamental mode, the time required for the sound wave to reach upto the closed end of a pipe filled with air is 't' second. The frequency of vibration of air column is [MHT-CET 2019]

Answer: (B)

Solution

The wave covers length in time , so , and the fundamental of a closed pipe is

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Question ID VK-070615