Determine the speed of light in water given that the speed of light in air is 3.0 x 108 ms-1 and the refractive index of water is 1.33

      

Determine the speed of light in water given that the speed of light in air is 3.0 x 108 ms-1 and the refractive index of water is 1.33.

  

Answers


John
Refractive index = $\frac{velocity\;in\;air}{velocity\;in\;water}$,

1.33 = $\frac{3.0\times 10^8}{V_w}$

$\rightarrow$ V<sub>w</sub> = 2.256 x 10<sup>8</sup>
johnmulu answered the question on February 14, 2017 at 05:57


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