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[" 8.When light of wavelength lesser tha...

[" 8.When light of wavelength lesser than "6000dot A" is "],[" incident on a metal,electrons are emitted.The "],[" approximate work-function of the metal is : "],[[" (1) "1" eV "," (2) "2eV," (3) "4eV," (4) "6eV]]

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