Question

what is the speed of light travelling in the fluid​

Answer 1

Answer:

Light travels at approximately 300,000 kilometers per second in a vacuum, which has a refractive index of 1.0, but it slows down to 225,000 kilometers per second in water (refractive index = 1.3) and 200,000 kilometers per second in glass (refractive index of 1.5).

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Answer 2

Answer:

Option(2) 1.8×10^8m/s is the correct answer...........

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