a photon of wavelengths 600nm falls on a metal surface.threshold wavelength is 400nm.(a)find the total energy of one photon.(b)energy required to remove one electron.(c)find Kinetic energy of electron.(d) find the velocity of electron.(e)total energy required per mile. (f) total energy required to just remove one mole of electron.(g)kinetic energy of one mole of electron.
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Electromagnetic radiation with a wavelength of 589 nm appears as yellow light to the human eye. The energy of one photon of this light is 3.37x10^-19J. Thus, a laser that emits 1.3x10^-2 of energy in one pulse of light at its wavelength produces BLANK photons in each pulse.
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