Distinguish between optically rarer medium and optically denser medium.

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Solution

Sr. no.
Optically rarer medium
Optically denser medium
1 The medium in which the speed of light is more is known as an optically rarer medium. The medium in which the speed of light is less is known as an optically denser medium.
2 The refractive index of an optically rarer medium is small. The refractive index of an optically denser medium is high.
3 Example- Air is optically rarer than glass. Example- Glass is optically denser than air.

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Sr. no.	Optically rarer medium	Optically denser medium
1	The medium in which the speed of light is more is known as an optically rarer medium.	The medium in which the speed of light is less is known as an optically denser medium.
2	The refractive index of an optically rarer medium is small.	The refractive index of an optically denser medium is high.
3	Example- Air is optically rarer than glass.	Example- Glass is optically denser than air.