MHT CET 2025 Physics question

In a pipe closed at one end, air column is vibrating in its second overtone. The column has

(A)three nodes and three antinodesCorrect
(B)three nodes and four antinodes
(C)two nodes and three antinodes
(D)four nodes and three antinodes

Answer: (A)

Solution

A closed pipe has a node at the closed end and an antinode at the open end, and supports only odd harmonics. Fundamental (1st harmonic): 1 node, 1 antinode. First overtone (3rd harmonic): 2 nodes, 2 antinodes. Second

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Question ID VK-102030