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Question
Physics
Incident ray, normal at the point of incidence and refracted ray are always
Q. Incident ray, normal at the point of incidence and refracted ray are always
166
184
Ray Optics and Optical Instruments
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A
mutually perpendicular
25%
B
inclined at acute angles
22%
C
parallel
12%
D
coplanar
41%
Solution:
The incident ray, the refracted ray and the normal to the interface at the point of incidence, all lie in the same plane.