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A metal having a work function of 2 ev is illuminated with monochromatic light whose photon energy is 4.4 eV. What is the maximum kinetic

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A metal having a work function of 2 ev is illuminated with monochromatic light whose photon energy is 4.4 eV. What is the maximum kinetic energy of the photoelectrons produced by this light? (h = 6.626 x 10 4 J . s, 1 ev = 1.60 x 10-19 J) 7.0*10-19 J 3,2x10 19 3.8*10-19 J 4.5x10 19 J 0 5.8x10 19 J

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