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CBSE Class 12-science Answered

calculate the speed of light in the medium wose crirtical angle is 45'
Asked by jaspreet singh | 27 Feb, 2011, 02:55: AM
Expert Answer
Dear student,
 
 Sin 45 = n1 /n2
n1 = 0.85
 
speed = c/n1 = 3X10^8/ 0.85 = 3.53X10^8 m/s
 
Hope this helps.
Team
Topperlearning.com
Answered by | 27 Feb, 2011, 09:13: AM
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