Question

Define refraction .
When light travels from rare to denser ...............................
When light travels from denser to rare ..............................​

Answer 1

Answer:

In physics, refraction is the change in direction of a wave passing from one medium to another or from a gradual change in the medium. Refraction of light is the most commonly observed phenomenon, but other waves such as sound waves and water waves also experience refraction.

Answer 2

Explanation:

refraction

bending of light when it travel from one medium to another is called refraction of light

when light travel from rare to denser light ray bend towards normal

when light ray travel from denser to rare light bend away from normal

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