Answers: 2
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.
Answers: 2
Physics, 22.06.2019 04:30, AShevel6767
In a system, when potential energy decreases, then entropy also decreases. true false
Answers: 3
¿Cómo se explica que un país necesite importar electricidad y a la vez pueda exportarla?...
Mathematics, 15.04.2020 21:08
English, 15.04.2020 21:08
Mathematics, 15.04.2020 21:08
Biology, 15.04.2020 21:08