Question

what is total internal reflection??​

Answer 1

Answer:

Total internal reflection, in physics, complete reflection of a ray of light within a medium such as water or glass from the surrounding surfaces back into the medium. The phenomenon occurs if the angle of incidence is greater than a certain limiting angle, called the critical angle.

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Answer 2

Explanation:

whenwhen a Ray of light travelling in a denser medium, is incident at the surface of their medium at the angle of incidence greater than the critical angle for the pair of media the rays totally reflected back into the denser medium .This phenomenon is called total internal reflection