If a ray of light goes from a rarer medium to a denser medium , will it bend towards the normal or away from it ?

bends away from the normal

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bends towards the normal

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goes undeviated

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is reflected back

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Solution

The correct option is B bends towards the normal
Refraction is the bending of light rays after entering a medium where its speed is different. Due to refraction of light, when a ray of light passes from a rarer medium to a denser medium, bends towards the normal to the boundary between the two media. The amount of bending depends on the indices of refraction of the two media. Hence, when a ray of light from air enters a denser medium, it bends towards the normal.

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Similar questions

If a ray of light goes from a denser medium to a rarer medium, will it bend towards the normal or away from the normal ?

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.

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