Question

Difference between reflection and total internal reflection

Answer 1

1.  Reflection of light rays occur between two optical medias but total internal reflection occurs on fulfillment of some conditions.  

2. Reflection occurs when light travels from a lighter to a denser medium. Total Internal reflection occurs when light travels from a denser to a lighter medium.  

3.  Only a part of the total energy present in the light is reflected, that is, a part of it is scattered while the other part is refracted during reflection.  In total internal reflection, all the light is reflected.

Answer 2

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