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2. The band gap of a silicon solar cell is 1.1 eV. If the incident light has an intensity of 2 mW, (a) determine

2. The band gap of a silicon solar cell is 1.1 eV. If the incident light has an intensity of 2 mW, (a) determine the wavelength and frequency of the incident light of which the photons have just enough energy to overcome the band gap. (b) The cell has a light-collection efficiency of 57%. How much power will this cell generate? (10 points)

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