MHT CET Physics question

PhysicsWavesMHT CET

A pipe closed at one end and open at the other end, resonates with sound waves of frequency 135 Hz and also 165 Hz, but not with any wave of frequency intermediate between these two. Then, the frequency of the fundamental note is

Answer: (B)

Solution

Consecutive odd harmonics differ by : , so Hz (135 = 9, 165 =

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Question ID VK-070290