refractive index of ruby is 1.7 find the speed of light in ruby if light speed in vaccum is 3x108
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Refractive index of a medium = Speed of light in vacuum/Speed of light in a medium
1.7 = 3 x 10^8 / Speed of light in medium
Speed of light in the medium = 3 x 10^8 /1.7
= 1.764 x 10^8 m/s.
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tahahameed29:
Hey,Banarji can we write 1.764x 10 to the power 8 as 17x10 to the power 7
YES TAHAHAMEED, BUT IS ALWAYS BETTER FINISH OF WITH THE VALUES GIVEN IN QUESTION!!! :)
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Refractive index of Ruby is 1.7×10^8
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