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sound singal is sent through a composti...

sound singal is sent through a compostie tube as shown in the figure. The radius of the semicrcular portion of the tube is r, speed of sound in air is v, the source of sound is capable of giving varied frequencies . If n is an integaer then frequnecy for maximum intensity is given by

A

`(nv)/r`

B

`(nv)/(t(pi-2))`

C

`(nv)/(pir)`

D

`(nv) /((r-2 )pi)`

Text Solution

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The correct Answer is:
B
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