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What is radiation pressure ?...

What is radiation pressure ?

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A plane electromagnetic wave travelling along X - direction has electric field of amplitude 300 Vm^(-1) , directed along the Y - axis (a) What is the intensity of the wave ? (b) If the wave falls on a perfectly absorbing sheet of area 3.0 m^(2) , at what rate is the momentum delivered to the sheet and what is the radiation pressure exerted on the sheet ? [epsilon_(0)=8.854xx10^(-12)C^(2)N^(-1)m^(-2), c=3xx10^(8)ms^(-1)]

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