Question

. What do you meant by total internal reflection
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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

Explanation: The phenomenon occurs if the angle of incidence is greater than a certain limiting angle, called the critical angle.

Answer 2

Explanation:

Total internal reflection:

The light rays are said to be reflected internally. This phenomenon is known as total internal reflection.

It occurs only when light travels from a denser medium to a less dense medium and the angle of incidence is greater than a certain angle.