As a transverse wave strikes against a fixed end …………..

Options

A. its phase changes by `180^(@)` , but velocity does not change
B. its phase does not change, but velocity changes
C. its velocity changes and phase too changes by `180^(@)`
D. nothing can be predicted about changes in its velocity and phase.

Answer

A

Explanation

its phase changes by `180^(@)` , but velocity does not change