Question

What happens when light enters from one transparent medium to another?
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Answer 1

Answer:

Refraction is an effect that occurs when a light wave, incident at an angle away from the normal, passes a boundary from one medium into another in which there is a change in velocity of the light. ... The wavelength decreases as the light enters the medium and the light wave changes direction.

Explanation:

Answer 2

Answer:

When the ray of light travels from 1 transparent medium to another it will change the direction in the second medium the extent of change in direction that takes place in a pair of mediums is expressed in terms of the refractive index