Question

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Answer 1

Answer:

it is also 20 degree as it is a plane mirror inciden tray = angle deviated (reflected)

Answer 2

Answer:

40 degrees.

Explanation:

Think of it along the lines that the normal, the perpendicular line to the mirror, has rotated by 20 degrees. The incoming and departing rays are 20 degrees either side of the normal resulting in the 40 degrees total deflection.

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