Question

13. The refractive index of water is 1.33. The speed of light in water will
be ---- X 108 m/s.
O 1.33
O 3
O 2.26
0 2.66​

Answer 1

Answer: It is denotes as n = c / v, v = c / n= 3 × 10^8 m/s / (1.33) = 2.25 × 10^8 m/s. Therefore, refractive index of the water can be measure by the Speed of light in water is 2.25 × 10^8 m/s.

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Answer 2

2.25×108m/s

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