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Choose the correct alternative and write it along with its allotted alphabet:
If a ray of light propogating in air strikes a glass slab at an angle `60^@` with the surface of the slab, the angle of refraction is.

A

more than `30^@`

B

less than `30^@`

C

`60^@`

D

`30^@`

Text Solution

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The correct Answer is:
B
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NAVNEET PUBLICATION-REFRACTION OF LIGHT-EXERCISE
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