Why is refraction a surface phenomenon?
Asked by pb_ckt | 3rd Mar, 2019, 04:01: PM
Refraction of light doesn't mean bending of light ray away or towards the normal. Bending if light happen because light velocity get changed when it travel from one medium to another medium. And this can only happens at the surface of contact between two different optical medium. That's we call Refraction as surface phenomenon.
Answered by Ankit K | 3rd Mar, 2019, 04:59: PM
- (a) Choose the correct statement with respect to Refraction of light  1. The colour always changes when light enters from one optical medium to another. 2. Absorption of light when it strikes the surface of a medium is refraction. 3. Speed of light changes when it enters from one optical medium to another of different optical density. 4. Speed of light does not change when it enters from one optical medium to another of different optical density.
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