What is the difference between regular reflection of light and diffuse reflection of light? What type of reflection of light takes place from: a) a cinema screen b) a plane mirror c) a cardboard still water surface of a lake

In regular reflection, the light beams travel parallel to each other and gets reflected in a similar manner while in diffused reflection, the parallel beam of light gets reflected in all the directions.

1. Regular reflection
2. Regular reflection
3. Diffuse reflection
4. Regular reflection