The refractive index of water is 1.33 &speed of light in air is 3x[10]8 m/s calculate the speed of light in water
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n =c/v
1.33=c/v
v=c/1.33
v=1/1.33×c
therefore speed of light in water is 1/1.33 times the speed of light in air or vacuum
1.33=c/v
v=c/1.33
v=1/1.33×c
therefore speed of light in water is 1/1.33 times the speed of light in air or vacuum
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Refractive index = Speed of light in vaccum / Speed of light in water. 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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