if the speed of light in water is 2.25 into108/ s and the speed in vacuum is 3 into 108 n calculate therefraction index of water
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Brainly.in
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Secondary SchoolPhysics 15 points
The refractive index of water is 4/3 and speed of light in air is 3*108m/s. Find the speed of light in water.
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riteshgupta210papxse
riteshgupta210papxse Ambitious
Given, refractive index of water = 4/3
Speed of light in air = 3 x 10^8
Let, speed of light in water = s
Now, using formula,
Refractive index = speed of light in air/ speed of light in medium(given)
4/3 = 3 x 10^8 / s
s = 9 x 10^8 / 4 [cross multiplying]
s = 2.25 x 10^8 m/sec
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