A pulse of a wavetrain travels along a stretched string and reaches the fixed end of the string. It will be reflected back with

Options

A. a phase change of `180^(@)` with velocity reversed.
B. the same phase as the incident pulse with no reversal of velocity
C. a phase change of `180^(@)` with no reversal of velocity.
D. the same phase as the incident pulse but with velocity reversed.

Answer

A

Explanation

On reflection from a fixed end, there is a phase change of `pi`.