Define normal (reflection) in physics.

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Solution

In physics, normal is defined as the perpendicular that is drawn to the reflecting surface.
In the following fig., the dotted line represents the normal.
Normal is always drawn at the point of incidence.

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Define normal (reflection) in physics.

In physics, normal is defined as the perpendicular that is drawn to the reflecting surface.In the following fig., the dotted line represents the normal.Normal is always drawn at the point of incidence.

In physics, normal is defined as the perpendicular that is drawn to the reflecting surface.
In the following fig., the dotted line represents the normal.
Normal is always drawn at the point of incidence.