A rectangular glass slab having refractive index root 3
is silvered at one surface as shown in the figure. If
the angle of refraction of the light ray at the interface
AB is 30°, then the measure of angle x
(1) 45°
(2) 30°
(3) 60°
(4) 90°
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Answer:
( 3)
Explanation:
opposite angle
parellel line
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