When a light ray travels from air to glass, where does it bend?

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Solution

The bending of light rays when they travel from one transparent medium to another is called refraction.
When a light ray travels from air to glass, it bends towards normal, whereas when it travels from glass to air, it bends away from the normal.
Refraction (or bending) of light occurs due to differences in the speed of light in the two media.

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