Question

Why does a ray of light bend when it travels from one medium to another?? ​

Answer 1

Answer:

The bending of light as it passes from one medium to another is called refraction. The angle and wavelength at which the light enters a substance and the density of that substance determine how much the light is refracted.  The bending occurs because light travels more slowly in a denser medium.

Answer 2

Answer:

When a ray of light travels from one medium to another, its speed changes and this change in speed of light causes the bending of light.

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