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In 1 sec, a 60 W bulb emits 11 J of energy in the form of infrared radiation (heat) of a corresponding wavelength of 1850 nm. How many photons of infrared radiation does the lamp generate in 1 sec? a) 1.02 x 10^20 photons b) 1.04 x 10^29 photons c) 1.10 x 10^-19 photons d) 6.63 x 10^23 photons