bumpydumper
05.05.2021 •
Physics
A student observes that in the photoelectric effect, photons need to have well-defined energies in order to move electrons. Which statement is correct about this explanation? (1 point)
a. A wave model of electromagnetic radiation can sufficiently explain the photoelectric effect.
b. Either a particle model or a wave model of electromagnetic radiation can sufficiently explain the photoelectric effect.
c. Neither a particle model nor a wave model of electromagnetic radiation can sufficiently explain the photoelectric effect.
d. A particle model of electromagnetic radiation can sufficiently explain the photoelectric effect.
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Ответ:
inclined plane- 3
wheel and axel- 1
pulley- 5
lever- 4
wedge- 2
Explanation:
got it right on edge :)