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A closed organ pipe of radius r(1) and a...

A closed organ pipe of radius `r_(1)` and an open organ pipe of radius `r_(2)` and having same length 'L' resonate when excited with a given tuning fork. Closed organ-pipe resonates in its fundamental mode where as open organ pipe resonates in its first overtone, then :-

A

`r_(2)-r_(1) = L`

B

`r_(2)-r_(1) = L//2`

C

`r_(2)-2r_(1) = 2.5L`

D

`2r_(2)-2r_(1) = 2.5L`

Text Solution

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The correct Answer is:
C
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