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A second harmonic has to be generated in...

A second harmonic has to be generated in a string of length l stretched between two rigid supports. The point where the string has to be plucked and touched are

A

Plucked at `l/4` and touch at `l/2`

B

Plucked at `l/4` and touch at `(3l)/4`

C

Plucked at `l/2` and touches at `l/4`

D

Plucked at `l/2` and touched at `(3l)/4`

Text Solution

Verified by Experts

The correct Answer is:
A
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