a. If the speed of light in a medium is
1.5 x 108 m/s, what is the absolute
refractive index of the medium?
Ans : 2
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Step-by-step explanation:
speed of light in a medium = 1.5 *108m/s
speed of light in air = 3*10^8 m/s
so ,
refractive index of the medium = speed of light in air/ speed of light in a medium
= 3*10^8/ 1.5*108
= 2.16
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