The frequency of the second overtone of the open pipe is equal to the frequency of first overtone of the closed pipe. The ratio of the lengths of the open pipe and the closed pipe is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Frequency of the second overtone (i.e. third harmonic) of the open pipe is
where 
is the speed of sound in air and 
is the length of the open pipe.
Frequency of the first overtone (i.e. third harmonics of the closed pipe is
As per question, 
or 
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