Question

6
A vertical light ray strikes a plane mirror kept inclined at an angle of 45° to the horizontal. Th
reflected ray is horizontal as shown in fig. A glass prism with refracting angle 6° is placed in the раth
of the reflected ray. In what way and by how much should the mirror be rotated, if the total deviation
of the light ray is to be 90° ?

A) 1.5°, anti clockwise, 3º
B) 0.5. anti clock wise, 2°
C) 1°, clock wise, 50
D) 7º, clock wise, 1°​

Answer 1

Answer:

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