Question

Differentiate between the reflection of light from a plane mirror and that from a plane sheet of paper.

Answer 1

Reflection of light from a plane mirror 1) it is a regular reflection 2)light rays falls on a smooth and polished surface,a parallel beam of light is incident on a plane mirror,the reflected beam is also parallel.

Reflection of light from a sheet of paper 1) its a irregular reflection 2) light rays strike at different parts of a rough surface,each rays gets reflected from different points of rough surface in different direction