calculate speed of light in water if speed of light in vaccum is 3×10^8.the value of refractive index of water is 4/3.
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Answer:
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The refractive index of water = Speed of light in air / Speed of light in water
Given :
Refractive Index = 4 / 3
Speed of light in air = 3 * 10⁸ m/s
We have to find Speed of light in water.
Substituting the values in the formula for refractive index :
refractive index of water = Speed of light in air / Speed of light in water
4 / 3 = 3 * 10⁸ / Speed of light in water
Speed of light in water = 3 * 10⁸ * 3 / 4
Speed of light in water = 2.25 * 10⁸
Thus,
Speed of light in water is 2.25 * 10⁸ m/s
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Answer:
μ = c/v
v = c/μ = (3x10^8/4) *3 = 2.25 * 10^8m/sec
Explanation:
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