A metal with a work function of 4.2 eV is exposed to light in a photoelectric effect experiment.  If the light has frequency 1,505 THz, what is the kinetic energy of ejected electrons, in eV?   Planck's constant is 4.136 x 10-15 eV s.

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A metal with a work function of 4.2 eV is exposed to light in a photoelectric effect experiment.  If the light has frequency 1,505 THz, what is the kinetic energy of ejected electrons, in eV?

 

Planck's constant is 4.136 x 10-15 eV s.

 
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