Question

explain the following phenomenon under the following heads principles law and ray diagram
1.reflection
2.refraction​

Answer 1

The ray of light that leaves the mirror is known as the reflected ray (labeled R in the diagram). At the point of incidence where the ray strikes the mirror, a line can be drawn perpendicular to the surface of the mirror. This line is known as a normal line (labeled N in the diagram).

Refraction is the bending of the path of a light wave as it passes across the boundary separating two media. In such a case, the refracted ray will be farther from the normal line than the incident ray; this is the SFA rule of refraction.

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