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Refraction at Curved Surfaces

Difference be...

Question

Difference between rarer and dense medium

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Solution

A medium in which the speed of light is more is known as Optically Rarer medium .
Air is optically rarer medium as compared to glass and water.

A medium in which speed of light is less is known as optically denser medium.
Glass is optically denser medium as compared to air.

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Total internal reflection of a ray of light is possible when the ( $i_{c}$ = critical angle, $i$ = angle of incidence)

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