Question

(III) Define total internal reflection of light. Name the devices in which total
internal reflection of light is used.​

Answer 1

Explanation:

Answer: When the Rays of light bounce of the surface at angle greater than the critical angle and thus stay in the same medium is know as total internal reflection of light. Devices: camera , binoculars , etc.

Answer 2

The description about total internal reflection is as follows:

Explanation:

• The total internal reflection, the ray of light reflect within a medium like water or glass from the surrounding goes back to the medium.
• This phenomena results in angle of incidence being greater than the limiting angle that is known as critical angle.
• The total internal reflection phenomena can be observed through many instruments like microscope, spectroscopes, periscopes and others.

Learn more about total internal reflection:

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