Q 11-14-068JEE MainJEE Main 2023 (1 Feb, Shift 1)Easy
A steel wire with mass per unit length $7.0\times10^{-3}\ \text{kg m}^{-1}$ is under tension of $70$ N. The speed of transverse waves in the wire will be
Answer: (B) $100\ \text{m s}^{-1}$
$v=\sqrt{\dfrac T\mu}=\sqrt{\dfrac{70}{7\times10^{-3}}}=100\ \text{m s}^{-1}$.
Solution by Sreeraj P, M.Sc Physics