Question

if an incident ray makes an angel of 40° with the mirror, then what is the angles between incident ray and reflection ray?​

Answer 1

Answer:

100°

Explanation:

always normal is 90°

so when incident ray makes an angle of 40°with mirror by the angle sum theorem incident angle = 60°

so ∠i =∠r

then angle between ∠i ,∠r

=> 60°+60°=120°

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