Question

Calculate the speed of light in a medium whose critical angle is 49º. (Given : speed of light in air c =
$=3 \times {10}^{8}$
m/s)​

Answer 1

Answer:

velocity of light in the medium is= 2.25×10^8 m/s

Explanation:

sin49°=0.75

refrective index of medium =1/0.75=100/75=4/3

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