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Refraction of Light

A medium in w...

Question

A medium in which light travels faster than the other medium, then that medium is called optically medium than the other medium.

A

rarer

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B

denser

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C

similar

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Solution

The correct option is A rarer
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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Q. Light travel faster in medium A than in medium B. Medium A is said to be optically _______.

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(a) the same in both mediums.
(b) higher in medium A than in medium B.
(c) higher in medium B than in medium A.
(d) higher in medium A or B depending on which medium is thicker.

Q. The medium in which speed of light is less is called optically .......... medium and the medium in which speed of light is more is called optically .......... medium.

Q. The medium in which light travels is less optically denser.

Q. When a ray of light travels from an optically more denser medium to an optically less denser medium, the angle of incidence is always .......... than the angle of refraction.

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