Question

What happens to the ray of light, when it emerges out from glass slab to air in the glass slab experiment.

Answer 1

Explanation:

When a ray of light enters from air into the glass slab, it bends towards the normal due to decrease in its speed and when it emerges out into air, its speed increases so it bends away from the normal.

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Answer 2

When a ray of light travels from a denser medium

to a rarer medium, it bends away from the

normal. Hence, it bends away from the normal at

glass-air interface.