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1. |
A ray of light falls on a transparent glass plate. A part of it is reflected and a part is refracted. Will the reflected and refracted rays be perpendicular to each other? |
A. | 90° for the angle of incidence |
B. | for zero incidence angle |
C. | only for one angle of incidence |
D. | more than one |
Answer» D. more than one | |