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[" 6.If stopping potentials correspondin...

[" 6.If stopping potentials corresponding to "],[" wavelengths "4000A^(@)" and "4500A^(0)" are "1.3V" and "],[0.9V" respectively,then the work function of "],[" the metal is "],[[" 1) "0.3eV,2" ) "1.3eV," 3) "1.8eV," 4) "5eV]]

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