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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

pluck at `(l)/(4)` touch at `(l)/(2)`

B

pluck at `(l)/(4)` touch at `(3l)/(4)`

C

pluck at `(l)/(2)` touch at `(l)/(4)`

D

pluck at `(l)/(2)` touch at `(3l)/(4)`

Text Solution

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The correct Answer is:
A
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