1.

A glass slab of thickness `3cm` and refractive index `3//2` is placed on ink mark on a piece of paper. For a person looking at the mark at a distance `5.0 cm` above it, the distance of the mark will appear to beA. 3.0 cmB. 4.0 cmC. 4.5 cmD. 5.0 cm

Answer» Correct Answer - b


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