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Physics, 21.06.2019 21:00
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.
Answers: 2
Physics, 22.06.2019 23:00
As seen in a us weather map, the h (or high) and l (or low) symbols indicate regions where surface air pressures are high or low, respectively, compared to surrounding areas. an h is plotted where the air pressure is highest and an l is plotted where the air pressure is lowest. proceeding outward and away from the center of a high pressure system, the air pressure "
Answers: 1
Physics, 23.06.2019 03:30
Select the correct lewis structure for fluorine which is group 7a element?
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Mathematics, 04.06.2020 23:01
Mathematics, 04.06.2020 23:01
Mathematics, 04.06.2020 23:01
Mathematics, 04.06.2020 23:01
Mathematics, 04.06.2020 23:01
Mathematics, 04.06.2020 23:01
Mathematics, 04.06.2020 23:01
Mathematics, 04.06.2020 23:01