Refraction of light

Questions

1. What happens to angle of deviation with increasing angle of incidence when light propagates from a rarer to a denser medium?

2. What happens to angle of deviation with increasing angle of incidence when light propagates from a denser to a rarer medium?

3. For any angle of incidence, can the ray of light go undeviated?

4. Can light ray undergo total internal reflection when propagating from rarer medium to a denser medium?

Note :

Questions given above may be visualized and solved using the simulations, obtaining a mathematical solution is to be always treated as the final answer.

Such a mathematical solution implies that you are able to understand and apply the concept.

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