Physics, 23.12.2019 21:31 faithcalhoun

Only a fraction of the electrical energy supplied to a tungsten light bulb is converted to visible light. the rest of the energy shows up as infrared radiation (i. e., heat). a 75-w light bulb converts 15.0% of the energy supplied to it into visible light. assuming a wavelength of 550 nm, how many photons are emitted by the light bulb per second? (recall 1 w = 1 j/s)

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Only a fraction of the electrical energy supplied to a tungsten light bulb is converted to visible l...