Question

What is the deviation produced when a ray of light is reflected back normally from a surface?

Answer 1

Explanation:

A ray of light that is incident on to the surface of a plane-mirror is reflected with the angle of incidence equal to the angle of reflection. ... This is called the deviation of the light and measures the angle at which the light has strayed from its initial straight-line path.

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Answer 2

Answer:

A ray of light that is incident on to the surface of a plane-mirror is reflected with the angle of incidence equal to the angle of reflection. ... This is called the deviation of the light and measures the angle at which the light has strayed from its initial straight-line path.