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[" 5.When a certain metal was irradiated...

[" 5.When a certain metal was irradiated with light of trequency "],[4.0times10^(16)s^(-1)" ,the photoelectrons emitted had three times "],[" the kinetic energy as the kinctic energy of photoelectrons "],[" emitted when the metal was irradiated with light of "],[" frequency "2.0times10^(16)s^(-1)" .Calculate the critical frequency "],[(v_(0))" of the metal."]

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