Question

what is total internal reflection ? ​

Answer 1

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• 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.

Answer 2

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The complete reflection of a light ray reaching an interface with a less dense medium when the angle of incidence exceeds the critical angle.

$\huge\underline\frak{\fbox{More ;-}}$

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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