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A steel wire with mass per unit length  7.10\times10^{-3}kg\, \, m^{-1}  is under tension of 70 N. The speed of transverse waves in the wire will be:

Option: 1

100 m/s


Option: 2

10 m/s


Option: 3

 50 m/s


Option: 4

200πm/s


Answers (1)

best_answer

The velocity of Transverse wave on string is given by

\begin{aligned} & \mathrm{V}=\sqrt{\frac{T}{\mu}} \\ & =\sqrt{\frac{70}{7 \times 10^{-3}}}=\sqrt{\frac{70 \times 10^3}{7}} \\ & =\sqrt{10^4}=100 \mathrm{~m} / \mathrm{s} \end{aligned}

Posted by

Sanket Gandhi

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