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Grade: 11 
        What is the maximum length of a closed pipe that will produce  just audible sound(velocity of sound=336m/s)?
one year ago

Answers : (1)

Arun
18564 Points 
							
Dear student
 
Minimum audible frequency = 20 Hz
 
Now
 
v /4 * L = 20
L = 336/80 = 4.2 m
 
Regards
Arun (askIITians forum expert)
one year ago
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