What type of reflection of light takes place from:
(a) a cinema screen ?
(b) a plane mirror ?
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 (d) still water surface of a lake
What type of reflection of light takes place from :
(a) a rough surface?
(b) a smooth surface?
What is 'normal' in the reflection of light from a plane mirror?