In a photoelectric effect experiment, ph...

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

1.5 eV

3.5 eV

5.0 eV

8.5 eV

Text Solution

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The correct Answer is:

`E=w+eV_(0)`

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