A photon of light of wavelength 470 nam falls on a metal surface. As a result photons are ejected with a velocity of 6.4 x 10^4 m/s.
a) Find the kinetic energy of emitted photoelectrons
b)the work function (in eV)of the metal surface.
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dextor1:
thanx bro
wrong
i (a) its v*2
oh, yeah, I forget square the velocity, but the way to do the question is like as it is,...
yess
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