Question

The frequency of vibration n of the stretched string of length l under tention t in p loops is given by
$n = \frac{p}{2l} \frac{ \sqrt{t} }{? \sqrt{m} }$
then m has got dimensions as that of
1) density
2) linear density
3) tension
4) surface tension
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Answer 1

The frequency of vibration n of the stretched string of length l under tension t in p loops is density