Q5 of 112 Page 310

What is 'normal' in the reflection of light from a plane mirror?

Normal is an imaginary line perpendicular to the surface, in the reflection of light from a plane mirror.


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How many reflected rays can there be for a given single incident ray falling on a plane mirror?

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What do you understand by the term 'point of incidence'?

 6

Define the angle of incidence.

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Define the angle of reflection.