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8. A photovoltaic cell converts light in 73.6% efficient, in other words, that energy output of this cell is used to he the p
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Numbdr of photons that must be absorbed bybthe photovoltaic cell is 1.744×1025

Energy of the photon, Epheton = ho h=6626x10 34 Is =hl = 6.626x1034J8x 2.998 x10 vas c= speed of light = 2.998 x 108ms? - 63Effeciency I cell = 7316% This means, when the cell absorb loo phetons only 73.6 photons are able to used for work. So, the a

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