the speed of light in vacuum is 3.0 x 108ms-1. If the refractive index of a transparent liquid is \(\frac{4}{3}\), then the speed of light in the liquid is
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Correct Answer: Option B
Explanation:
n = \(\frac{\text{speed in air }}{\text{speed in water }}\)
\(\frac{4}{3}\) = \(\frac{3 \times 10^8}{v}\)
v = 2.25 x 10 8ms-1
n = \(\frac{\text{speed in air }}{\text{speed in water }}\)
\(\frac{4}{3}\) = \(\frac{3 \times 10^8}{v}\)
v = 2.25 x 10 8ms-1