Question

In the given diagram if the incident angle <i=40° then emergent angle < e =…….?

(A) 50 (B) 40 (C) 60 (D) 90​

Answer 1

Answer:

Where is the diagram..?

Explanation:

In the case of a plane mirror, <I =<r

Therefore it's option (B) 40

Answer 2

Answer:

40°

Explanation:

We know that,

{•.• Angle of Incidence is EQUAL to Angle of Emergence}

:. i = r

Hence, e = 40°

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