The refractive index of glass is 1.5 and that of water is 1.3. if the speed of light in water is 2.25m/s.what is the speed of light in glass?
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Given: refractive index of glass = 1.5 refractive index of water = 1.3
speed of light in water = 2.25m/s ∴ speed of light in glass = 225 ÷ 1.5 = 0.15
speed of light in water = 2.25m/s ∴ speed of light in glass = 225 ÷ 1.5 = 0.15
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