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Calculate speed of light in water of refractive index 4/3. Given speed of light in air (c)= 3x10raose to the power 8 m/s |
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Answer» General formula: REFRACTIVE INDEX of given medium (n) = Speed of light in air/ speed of light in given medium Given: n=4/3 speed of light in air= 3×10^8m/s To FIND : Speed of light in water Solution: Refractive index of water = speed of light in air/speed of light in water so speed of light in water = speed of light in air/refractive index of water so speed of light in water = 2.25×10^8 m/s |
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