natb3933 natb3933

29-04-2024
Physics

Answered

In a photoelectric effect experiment, photons of energy 5 eV are incident on a metal surface. They liberate photoelectrons which are just stopped by an electrode at a potential of -3.5 V with respect to the metal. The work function of the metal is?

a) 1.5eV
b) 3.5eV
c) 5.0eV
d) 8.5eV

Answer :

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