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A watt is a unit of energy per unit time, and one watt (W) is equal to one joule per second (J·s-1). A 80.0-W incandescent light-bulb produces about 6.00% of its energy as visible light. Assuming that the light has an average wavelength of 510.0 nm, calculate how many such photons are emitted per second by a 80.0-W incandescent lightbulb.

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