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MHT CET Physics question

PhysicsWavesMHT CET

When an air column in a pipe open at both ends vibrates such that four antinodes and three nodes are formed, then the corresponding mode of vibration is [MHT-CET 2020]

Answer: (B)

Solution

An open pipe vibrating in its th harmonic has antinodes and nodes, so 4 antinodes and 3 nodes mean the 3rd harmonic, i.e. the second overtone;

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Question ID VK-070580