Light shines on a sodium surface (work function 2.3 eV) and the measured stopping…

PHYSICS · Subjective · A Level · Physics · Particles and radiation · Particles and radiation

Problem

Light shines on a sodium surface (work function 2.3 eV) and the measured stopping potential for the emitted electrons must be 1.5 V. Determine the wavelength of light that will meet this requirement.

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