What happens when light ray passes through a glass slab?

Light ray first bends towards normal then away from normal

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Light ray first bends away from normal then towards normal

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Light ray bends towards normal at both the surfaces

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Light ray bends away from normal at both surfaces

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Solution

The correct option is A Light ray first bends towards normal then away from normal
When a light ray passes from rarer to denser medium then light ray bends towards normal and when a light ray passes from denser medium to rarer medium then it bends away from normal.

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Similar questions

When a ray of light from air enters a denser medium, it :

(a) bends away from the normal

(b) bends towards the normal

(d) is reflected back.

A ray of light passes from air into a block of glass. Does it bend towards the normal or away from it ?

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