A stretched string is \( 1 \mathrm{~m} \) long. Its mass per unit l...

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A stretched string is \( 1 \mathrm{~m} \) long. Its mass per unit length is \( 1 \mathrm{~g} / \mathrm{m} \). It is stretched with a force of \( 40 \mathrm{~N} \).
P It is plucked at a distance of \( 25 \mathrm{~cm} \) from one end.

W The frequency of note emitted by it will be:
(1) \( 400 \mathrm{~Hz} \)
(2) \( 300 \mathrm{~Hz} \)
(3) \( 200 \mathrm{~Hz} \)
(4) \( 100 \mathrm{HZ} \)
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