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livelaughlove2424
 one year ago
Im studying refraction and we have to find the speed of light . In the formula it says n=c/Vs by n is the index of refraction.. Can you use this formula when given n1=index of incidence? if you cant how can you find it?
livelaughlove2424
 one year ago
Im studying refraction and we have to find the speed of light . In the formula it says n=c/Vs by n is the index of refraction.. Can you use this formula when given n1=index of incidence? if you cant how can you find it?

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MarcLeclair
 one year ago
Best ResponseYou've already chosen the best response.0N=1 is the index of refraction. Only air has an index of refraction n=1. Let say you shine light on a piece of glass, its wavelength will change because of the difference medium. As you know, speed of light is also related to wavelength ( c= lambda * frequency) therefore, if the wavelength because shorter, it will change. I don't know if you understand what I'm saying :)

modphysnoob
 one year ago
Best ResponseYou've already chosen the best response.0n is called index of refraction or impedence

modphysnoob
 one year ago
Best ResponseYou've already chosen the best response.0the ratio between speed of light in vacuum and in particular material is n
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