A steel wire has a length of $12.0 \;m$ and a mass of $2.10 \;kg .$ What should be the tension in the wire so that speed of a transverse wave on the wire equals the speed of sound in dry air at $20\,^{\circ} C =343\; m s ^{-1}$
A steel wire has a length of $12.0 \;m$ and a mass of $2.10 \;kg .$ What should be the tension in the wire so that speed of a transverse wave on the wire equals the speed of sound in dry air at $20\,^{\circ} C =343\; m s ^{-1}$
- A
$9.5 \times 10^{4} \;N$
- B
$2.06 \times 10^{4} \;N$
- C
$5.12 \times 10^{3} \;N$
- D
$4.8 \times 10^{5} \;N$
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- [IIT 2009]