PhysicsLight: refractionWAEC
Water has a refractive index of 1.33. Find the speed of light in water. (c = 3 × 10⁸ m/s)
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Answer: B. 2.26 × 10⁸ m/s
v = c/n = 3 × 10⁸/1.33.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.