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It is Refraction
refraction
Diffraction. Bending of light/sound as it moves from one medium to another - Refraction.
The bending of a wave as it moves from one medium into another is called refraction.
When a toy car travels from a plain floor to the grass lawn we see that it deflects.Similarly light too bends when it changes its medium.This bending can be seen at the boundary of the two mediums that separates them.
Refraction.
refraction
It is called refraction.
Refraction
It's called refraction, and the amount of bending is determined by the index of refraction.
Refraction.
The bending of a light wave as it passes at an angle from one medium to another