Time taken by the sun light pass through window ofthickness 4 mm whose refractive index 1.5
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refractive index of glass = 1.5 of window
speed of light inside glass window = 3 * 10⁸ m/s / 1.5
= 2 * 10⁸ m/s
Time taken to travel 4mm = 0.004 /2*10⁸ = 0.02 nano sec
speed of light inside glass window = 3 * 10⁸ m/s / 1.5
= 2 * 10⁸ m/s
Time taken to travel 4mm = 0.004 /2*10⁸ = 0.02 nano sec
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