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Question

Light rays get refracted ______ , when they pass from air to glass prism.

A
towards the normal
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B
away from the normal
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C
along the normal
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D
along the air-glass interface
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Solution

The correct option is A towards the normal
The speed of light rays decreases while travelling from air (rarer medium) to glass (denser material). Hence, when light rays travel from air to glass, it bends towards the normal.

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