Question

What do you mean by refraction of light ?​​

Answer 1

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• When a light ray passes obliquely from rarer medium (air) to a denser medium (water, glass) there is a change in its direction of propagation. This bending of light at the boundary when it passes from one medium to another is termed as refraction.

Answer 2

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When a light ray passes obliquely from rarer medium (air) to a denser medium (water, glass) there is a change in its direction of propagation. This bending of light at the boundary when it passes from one medium to another is termed as refraction.