A photocathode has a work function of 2.4 eV. It is illuminated with monochromatic radiation whose photon energy is 3.9 eV The maximum kinetic energy of the photoelectrons produced is:

A photocathode has a work function of 2.4 eV. It is illuminated with m

1.	A photocathode has a work function of 2.4 eV. It is illuminated with monochromatic radiation whose photon energy is 3.9 eV The maximum kinetic energy of the photoelectrons produced is:
A.	2.4 × 10-19 J
B.	3.7 × 10-19 J
C.	4.6 × 10-19 J
D.	7.2 × 10-19 J
Answer» B. 3.7 × 10-19 J

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A photocathode has a work function of 2.4 eV. It is illuminated with monochromatic radiation whose photon energy is 3.9 eV The maximum kinetic energy of the photoelectrons produced is:

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