štrbina nedávno výbuch what means nm in laser specs Nevhodný tropický Vypľuť
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SOLVED: A 400 nm laser with a power output of 2.00 mW is incident on calcium metal in a photoelectric effect experiment. The work function of calcium is 2.71 eV. What is
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SOLVED:A 400-nm laser beam is projected onto a calcium electrode. The power of the laser beam is 2.00 mW and the work function of calcium is 2.31 eV. (a) How many photoelectrons
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