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MHT CET Physics question

PhysicsWavesMHT CET

Two consecutive harmonics of an air column in a pipe closed at one end are of frequencies 150 Hz and 250 Hz. The fundamental frequency of an air column is [MHT-CET 2021]

Answer: (D)

Solution

A closed pipe has only odd harmonics ; consecutive ones differ by Hz so

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Question ID VK-070555