One watt is equal to 1 js assuming that 50 of the energy
One Watt is equal to 1 J/s. Assuming that 5.0% of the energy output of a 75 watt lightbulb is visible light and the average wavelength of the visible light is 550nm, how many photons are emitted by the lightbulb per second?
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one watt is equal to 1 js assuming that 50 of the energy output of a 75 watt lightbulb is visible light and the average
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