Which statement describes the photoelectric effect?
A. Electrons strike a metal and their kinetic energy becomes light.
B. The kinetic energy of an electron equals the energy of light that shines on it.
C. Brighter lights decrease the number of electrons that flow in a circuit.
D. Light shines on a metal and causes electrons to be emitted.
Answers: 3
Physics, 22.06.2019 16:20, devinfolds
Which best describes what forms in nuclear fission? a. two smaller, more stable nucleib. two larger, less stable nucleic. one smaller, less stable nucleusd. one larger, more stable nucleus
Answers: 1
Physics, 22.06.2019 16:40, ashleypere99
Panel bc in fig. p2.76 is semi-circular, with the 3 meter radius and horizontal straight edge through point b. compute (a) the hydrostatic force of the water on the panel, (b) its center of pressure, and (c) the moment of this force about point b. assume atmospheric pressure on the dry side of the panel
Answers: 3
Which statement describes the photoelectric effect?
A. Electrons strike a metal and their kinetic e...
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