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- #Class 12
The refractive index of a material with permittivity 16 is given by:
Option: 1
16
Option: 2
256
Option: 3
4
Option: 4
8
Answers (1)
The refractive index is the square root of the permittivity.
Thus,
Given that = 16, we get the refractive index as n = 4. It has no unit.
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