[" When photons of energy "5eV" fall on ...

[" When photons of energy "5eV" fall on a photosensitive surface,the "],[" maximum "K.E" .of the photoelectrons emitted from the surface is "2.5],[eV" .What is the stopping potential? "],[[" (A) "5V," (B) "2.5V," (C) "7.5V," (D) "1V]]

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[" When photons of energy "5eV" fall on a photosensitive surface,the "],[" maximum "K.E" .of the photoelectrons emitted from the surface is "2.5],[eV" .What is the stopping potential? "],[[" (A) "5V," (B) "2.5V," (C) "7.5V," (D) "1V]]

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