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 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 $\frac{l}{4}$ and touch at $\frac{l}{2}$
- B
Plucked at $\frac{l}{4}$ and touch at $\frac{{3l}}{4}$
- C
Plucked at $\frac{l}{2}$ and touched at $\frac{l}{4}$
- D
Plucked at $\frac{l}{2}$ and touched at $\frac{{3l}}{4}$
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- [AIPMT 1989]
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