The speed of light in a diamond is found to be 124000 km/s. What is the refractive index of diamond ?
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3×10^8÷124000×18/5=2.42
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Answer:
speed of light=1,24,000
speed of light in vacuum=3,00,000. Refractive index= speed of light in vacuum/speed of light in median. = 3,00,000/1,24,000. =2.42
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