Reflection of Light CBSE Class 7 Physics (www.iDaaLearning.com)

Описание: http://www.idaalearning.com/
When a ray of light, while travelling from one optical medium to another optical medium(say, from air to glass) strikes the surface of separation of two media, is returned by the second optical medium into the first optical medium with a change of angle, the phenomenon is called the reflection of light.