Statement (A) : When a ray of light enters a glass slab from air, refraction of light takes place
Statement (B) : Velocity of light decreases after entering the glass slab

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Both A and B are true

Both A and B are false

A is true, B is false

A is false, B is true

answer is A.

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Detailed Solution

While a light ray is travelling from one optical medium to other optical medium. Its original path deviates. This phenomena of light is called refraction. Variation of speed of light is cause of the refraction of light.

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