sarwesh sarwesh

26-12-2018
Physics

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why quantity refractive index dooesn't have unit

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MarieWizzy MarieWizzy

26-12-2018

refractive Index is a ratio of two similar physical quantity which is dimension less
refractive index = sin I / sin r

therefore it doesn't have a unit.

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bc160402048 bc160402048

26-12-2018

Refractive index is expressed as a ratio of speed of light in vacuum relative to the speed of considered medium. As it is a ratio and the units m/s or km/h cancel out each other. Therefore, the qauntity refractive index does not have any unit. I hope it will be helpful to you. Thank you

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