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   Light propogates faster through a Medium A than through Medium B.

q. State the  condition under which no'change in the direction of propgation'of a light ray would take place when it passes from medium A to Medium B.



Asked by Ramesh 6th December 2018, 11:29 PM
Answered by Expert
when the light ray travelling in medium-A incident on medium-B normally (i.e. angle of incidence 0 ,
incident light ray makes an angle 90° with surface) , then it will not undergo any deviation
and no change in direction of propagation
Answered by Expert 7th December 2018, 2:12 AM
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