The work function of a substance is 4.0eV. Then longest wavelength of light that can cause photoelectron emission from this substance approximately:
Question
Solution 1
The work function of a substance is the minimum energy required to remove an electron from the surface of a substance. This energy is given in electron volts (eV).
The energy of a photon (light particle) is given by the equation E = hf, where h is Planck's constant (6.626 x 10^-34 Js) and f is the Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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