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What is the relation between refractive index and temperature of medium?

What is the relation between refractive index and temperature of medium?

Grade:12th pass

1 Answers

Soumya Ranjan Mohanty
117 Points
6 years ago
Dear student,
 
refractive index=Speed of light in vacuum / speed of light in medium.
Since the density of a liquid usually decreases with temperature, the speed of light in a liquid will normally increase as the temperature increases. Thus, the index of refraction normally decreases as the temperature increases for a liquid.
 
Thanks,
Soumya Ranjan Mohanty (IIIT Bhubaneswar).

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