Physicsmedium · Past Paper
Calculate the refractive index of a medium if the speed of light in that medium is 2 x 10^8 m/s.
A1.0
B1.5
C2.0
D1.33
✓ Correct Answer: B — 1.5
Refractive index (n) = c/v = (3 x 10^8) / (2 x 10^8) = 1.5.
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