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
Correct Answer: C
Solution :
A pulse of a wave train when travels along a stretched string and reaches the fixed end of the string, then it will be reflected back to the same medium and the reflected ray suffers a phase difference of n with the incident wave but wave velocity after reflection does not change.
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