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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 ?

Note by Sudhanshu Mishra
4 years, 6 months ago

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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, 4 months ago