speed of light in vaccum,air ,water and glass
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Vaccum: 299,792,458 m/s
Air: 298,000,000 m/s (approx)
Glass: 200,000,000 m/s (approx)
Water: 224,844,343.5 m/s
Air: 298,000,000 m/s (approx)
Glass: 200,000,000 m/s (approx)
Water: 224,844,343.5 m/s
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