The refractive index of water is 1.33. What will be the speed of light in water?

Options

A. `3 xx 10^(8) ms^(-1)`
B. `2.26 xx 10^(8) ms^(-1)`
C. `4 xx 10^(8) ms^(-1)`
D. `1.33 xx 10^(8) ms^(-1)`

Answer

A, B

Explanation

`As, mu=(c)/(v)rArrv=(c)/(mu)=(3xx10^(8))/(1.33)=2.26xx10^(8) ms^(-1)`