It allows light to pass through
It allow light pass through but will scatter light in different directions
It doesn't allow light to pass through
(棱鏡) is a tool used to separate white light into different colors
(可見光譜) are colors that make up white light
It is the bending of light when it passes from one material to another.
it is any wave that hits a surface and bounces off.
Convex mirror 凸鏡
It focuses the reflected light rays together at a point
Concave mirror 凹鏡
It spreads out the reflected light rays