What is the angle of incidence of a ray if the reflected ray is at an angle of 90° to the incident ray?

Answers (1)

We know that the angle of incidence is equal to the angle of reflection.

 

eginarrayl 	ext  Given:  angle i+angle r=90^circ \ 	ext  Since  angle i=angle r 	ext  hence;  \ angle i+angle i=90^circ \ O r, 2<i=90^circ \ O r_r<i=45^circ endarray

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