Asked by Reagan
A certain metal surface emits electrons when light is shone on it. (a)How can the number of electrons per second be increased? (b) How can the energies of the electrons be increased?
Answers
Answered by
drwls
(a) Use a brighter light (or focus the light onto the surface).
(b) Use light with a shorter wavelength. The higher per-photon energy will result in higher photoelectron energy.
(b) Use light with a shorter wavelength. The higher per-photon energy will result in higher photoelectron energy.
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