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MHT CET Physics question

PhysicsWavesMHT CET

In a fundamental mode,the time required for the sound wave to reach upto the closed end of a pipe filled with air is second. The frequency of vibration of air column is [MHTCET 2019]

Answer: (D)

Solution

In the fundamental mode of a closed pipe the wave travels the length in time , so and

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Question ID VK-070364