Mirror Physics
Mirror Physics : In order to understand mirrors, we first must understand light. The law of reflection says that when a ray of light hits a surface, it bounces in a certain way, like a tennis ball thrown against a wall. The incoming angle, called the angle of incidence, is always equal to the angle leaving the surface, or the angle of reflection
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Watch this video : Physics – Optics: Mirrors (1 of 6) Concave Mirror
https://www.youtube.com/watch?v=MQZmLuQKDns