Science, asked by manojkumar873885, 4 months ago

a) The angle of incidence is the angle between___and_

b) If a ray makes an angle of 20° with the mirror, then its angle of incidence is _____

Answers

Answered by DhritiTiwari

2

Explanation:

a) angle between normal and incident ray is angle of incidence

b) 70°

(Normal-ray=90-20)

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