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Physics  Ex-47

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THE  LAW  OF  REFLECTION

When light strikes a surface and is reflected, it changes direction.

The direction it takes depends upon the angle it strikes the surface.

As illustrated below, a ray of light going towards a surface is called

an incident ray while a ray of light which is reflected away from a

source is called a reflected ray.

The law of reflection says that the angle of the incident ray with the

normal equals the angle of the reflected ray (also with the normal).

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