Question
Tue February 07, 2012 By:

What are the values of 1)angle of incidence and 2)angle of reflection for normal incidence on a plane mirror surface ? Is there any angle of refraction for normal incidence on a plane mirror ? if yes , what is it ?

Expert Reply
Wed February 08, 2012
The angle of incidence, angle of reflection, are equal.Refraction is the change in direction of a wave due to a change in its speed. This involves two mediums for the light to travel. Hence, here, in this case there cannot be any angle of refraction.
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