A radiation of wavelength 360 nm falls on potassium metal and has a work function of 2 ev. Find 1- the maximum kinetic energy of the emitted electrons. 2- The stopping voltage of the emitted electrons

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A radiation of wavelength
360 nm falls on potassium
metal and has a work
function of 2 ev. Find 1- the
maximum kinetic energy of
the emitted electrons. 2-
The stopping voltage of the
emitted electrons
Transcribed Image Text:A radiation of wavelength 360 nm falls on potassium metal and has a work function of 2 ev. Find 1- the maximum kinetic energy of the emitted electrons. 2- The stopping voltage of the emitted electrons
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