The Refractive index of material is 1.4 If velocity of light in vacuum is 3×10^8. Find the velocity of light in material?
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Answer:2.142×10⁸m/s
Explanation:
μ=c/v====>1.4=3×10⁸/v (REFRACTIVE INDEX=VELOCITY OF LIGHT IN VACCUM/VELOCITYOF LIGHT IN MEDIUM)
====>v=3×10⁸/1.4=2.142×10⁸m/s
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