Question

What causes refraction?

Answer 1

The optical density of on medium is different than the other , this causes refraction.

When light enters through lighter to denser medium or denser to lighter medium , refraction occurs .


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Answer 2

Hi Mate

Answer

The points are:-

• Refraction of light can be derived using classical electrodynamics.
• Refraction occurs due to the difference in the densities of the mediums.
• The changing of light rays when it passes through one medium to another is the cause for refraction.
• For example if light is going from air to water , it's speed decreases so it bends towards the normal .

                                                                                               

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