Physics, asked by Jghuggy5758, 1 year ago

calculate the speed of light in medium ,whose critical angle is 45°

Answers

Answered by shivam8899
158
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
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