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A taut string at both ends viberates in its `n^(th)` overtone. The distance between adjacent Node and Antinode is found to be 'd'. If the length of the string is L, then

A

(a) `L=2d(n+1)`

B

(b) `L=d(n+1)`

C

(c) `L=2dn`

D

(d) `L=2d(n-1)`

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