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Grade: 12th pass

                        

When light wave suffers reflection at the interface from air to glass, what is the change in the phase of reflected wave?

5 years ago

Answers : (2)

Abhinav
askIITians Faculty
387 Points
							When light is reflected off a more dense medium with higher index of refraction, crests get reflected as troughs and troughs get reflected as crests. The wave is said undergo a 1800 change of phase on reflection. The net effect of the phase change is that the reflected ray ``jumps ahead" by half a wave length.
5 years ago
shubham sharda
361 Points
							
the is a phase shift of pi radians when light reflects from glass which was initially travelling in air.
5 years ago
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