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Physics, 15.04.2020 22:39 molly7392

A watt is a unit of energy per unit time, and one watt (W) is equal to one joule per second ( J β‹… s βˆ’ 1 ) Jβ‹…sβˆ’1) . A 40.0 W 40.0 W incandescent lightbulb produces about 5.00 % 5.00% 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 40.0 W 40.0 W incandescent lightbulb.

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