In the given figure, when light emerges from the glass slab, the light ray

left of normal AB

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right of normal AB

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on the normal AB

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cannot be determined

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Solution

The correct option is B
right of normal AB

As air is a rarer medium with respect to glass, the light ray will bend towards the normal when incident on the first surface of glass slab. Finally, when light emerges out from the glass slab to air, it deviates away from the normal as the ray is moving from denser to rarer medium.
The given figure will clarify the concept :

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