Question

What changes when light enters a new medium?

Answer 1

Waves. 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.

Answer 2

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Ans:-When light enters a medium ,the speed of light changes and due to which the direction of light changes too and the colour of light also change sometimes.

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