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