Question

Explain the difference between regular and irregular reflection.

Answer 1

The difference between regular and irregular reflection is,

Regular Reflection	Irregular Reflection
1.In regular reflection, all light that strikes the reflecting surface is reflected in a specific direction.	1.In irregular reflection, all light that strikes the reflecting surface is not reflected in a specific direction.
2.When a parallel beam of incident rays remains parallel after reflection, it is called regular reflection. (Please see diagram)	2.When a parallel beam of incident rays does not remain parallel after reflection, it is called irregular reflection. (Please see diagram)
3.The rays that are reflected are only reflected in one direction. (See diagram)	3.The reflected rays do not all return in the same direction. (See diagram)
4.It occurs on a polished, smooth surface.	4.It occurs on an uneven and rough surface.
5.Example: Silver plate, mirror, etc.	5.Example: wood, paper, stone, etc.