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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 16:00, alecnewman2002
The energy produced as a result of this flow of electrons from atom to atom is called
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A 52.0-kg sandbag falls off a rooftop that is 22.0 m above the ground. The collision between the san...
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