Q. If the initial tension on a stretched string is doubled, then the ratio of the initial and final speed of a transverse wave along the string is :
A) 1 : 2
B) 1 : 1
C) $\sqrt{2} : 1$
D) $1 : \sqrt{2}$
Explanation
[Solution] $v \propto \sqrt{T}$, so $v_1 : v_2 = 1 : \sqrt{2}$. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.