A photocathode with a work function of 3.2 eV is to be illuminated so that the…

PHYSICS · Subjective · CBSE · Physics · Dual Nature of Radiation and Matter · Dual Nature of Radiation and Matter

Problem

A photocathode with a work function of 3.2 eV is to be illuminated so that the emitted electrons have a maximum kinetic energy of 1.0 eV. Find the minimum wavelength of light that must be used.

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