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speed of light in water\text{water} slit\text{slit}

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Q. speed of light in water\text{water} slit\text{slit}
  1. Given Speed of Light: We know the speed of light in a vacuum is about 300,000extkm/s300,000 ext{ km/s}. The refractive index of water is about 1.331.33. Calculation: Speed of light in water = Speed of light in vacuum / Refractive index of water
  2. Calculate Speed in Water: Plug in the values. Calculation: Speed of light in water = 300,000300,000 km/s\text{km/s} ÷\div 1.331.33
  3. Perform Division: Perform the division. Calculation: 300,000÷1.33≈225,563.91300,000 \div 1.33 \approx 225,563.91 km/s

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