Question

What will be the deviation produced in the path of a ray, if a ray of light is incident on a plane mirror at an angle of incidence of 40° ? 


120°

80°

90°

100°

​

Answer 1

Answer:

80

...............................

Answer 2

Answer:

answer is 80°

Explanation:

because,angle I=angle r

40°+40°=80°

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