1 13 6eV 2 27 2e V 3 54 4eV 4 68 0e V A pulse of wave train travels along a stretched string and reached the fixed end of the string will be reflected with 1 A phase change of 180 with speed changed 2 The same phase as the incident pulse with no reversal of velocity 3 A phase change of 180 with no change of speed 4 The same phase as the incident pulse but with velocity reversed
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