A Uniform rope having mass m hags vertically from a rigid support. A transverse wave pulse is produced at the lower end. The speed v of wave pulse varies with height h from the lower end as

Options

A.
B.
C.
D.

Answer

C

Explanation

`v=sqrt((T)/(mu))=sqrt((muxg)/(mu))=sqrt(gx)rArr v^(2)=gx`.