Question

30.
A ray of light falls on a plane mirror. When the mirror is turned about an axis at right angle
the plane of the mirror through 30°, the angle between the incident ray and original reflected,
is 75'. The angle between the incident ray and new reflected ray is
NUM
C) 75º
D) 60°
39.
Find i) the angle through which
A) 45°
B) 650
​

Answer 1

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