calculate the speed of light in medium ,whose critical angle is 45°
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n= 1/sinC = 1 / sin45° = √2
Therefore speed of light in vaccum
= speed of light in air/n
= 3×10^8/1.414
= 2.121×10^8 m/s
i hope it will help you
regards
Therefore speed of light in vaccum
= speed of light in air/n
= 3×10^8/1.414
= 2.121×10^8 m/s
i hope it will help you
regards
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