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General
Easy
Question
Figure represents a graph of kinetic energy (K) of photoelectrons (in eV) and frequency (v) for a metal used as cathode in photoelectric experiment. The work function of metal is
- 1 eV
- 1.5 eV
- 2 eV
- 3 eV
The correct answer is: 2 eV
Work function is the intercept on K.E. axis i.e. 2eV
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