Figure represents a graph of kinetic energy (K) of photoelectrons (in – McqOptions

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1.	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
A.	1 eV
B.	1.5 eV
C.	2 eV
D.	3 eV
Answer» D. 3 eV

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