Light waves
The incident ray is the ray hiiting the mirror. The reflected ray is the one that came of the mirror.
The normal is a construced line drawn at right angles to the mirror surface where rays of light strikes it.
Angle of incidence= i
Angle of reflection= r
Law of reflection=
The angle of incidence = the angle of reflection
Refraction of light is the bending that hapepens when light travels from one material into another. Like from air into glass.
Critical angle= light arriving at a boundary between ant material, in which light travels more slowly than in air, and air at an angle greater than the crictical ange is totally internally reflected.
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