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# Light - Force during Refraction

I have a query about refraction of light. I know that when light travels from medium to another it bends at the surface of separation between the two media.So as light travels in a straight line and at a constant speed in vacuum at 299,792,458 m/s and so we can say that it has velocity.During refraction , it changes its original direction and its speed also changes and so can we say that it has accelerated? If yes, then what force is acting on it ?

Please tell me about this cause I'm very curious to know it and please can someone post some helpful links regarding this topic.All answers will be dearly appreciated.

Note by Sudhanshu Mishra
4 years, 3 months ago

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## Comments

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light can be both waves and particles. as light is bent, it is true that a force acts on it

- 4 years, 1 month ago

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