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Physics, 21.06.2019 21:00, jjxt126
A150 w lamp emits light of wavelength 590 nm uniformly in all directions. what is the photon flux (photons per unit area per unit time) on a small screen at a distance 2.3 m from the lamp? assume the photons are uniformly distributed over the surface of a sphere of radius 2.3 m.
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Physics, 22.06.2019 00:30, taylord4230
Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate
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Briefly describe how a sound wave is formed....
Chemistry, 13.11.2020 08:10
Chemistry, 13.11.2020 08:10
Chemistry, 13.11.2020 08:10