Home Physics Wave and Sound Karnataka - CET Previous Year Question First overtone frequency of a closed pipe of…
Physics Wave and Sound Karnataka - CET Previous Year Question MCQ (Single Correct)

First overtone frequency of a closed pipe of length is equal to the harmonic frequency of an open pipe of length . The ratio

A
B

C
D

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The correct answer is:
A

First overtone frequency

(i.e, harmonic) of the closed pipe of length is

(where is the speed of sound in air)

and harmonic frequency of the open pipe of length is

As per question

or

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