PhysicsLight: refractionJAMB
Find the speed of light in glass of refractive index 1.5. [c = 3 × 10⁸ m/s]
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Answer: C. 2 × 10⁸ m/s
v = c/n = 3 × 10⁸/1.5.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.