Asked by Anonymous
What is the longest wavelength of light that will emit electrons from a metal whose work function is 3.10eV?
Answers
Answered by
drwls
The wavelength L that satisfies the equation
h c/L = 3.10 eV* (1.6*10^-19 J/eV)
h is Planck's constant. c is the speed of light, of course.
hc/L is the photon energy
h c/L = 3.10 eV* (1.6*10^-19 J/eV)
h is Planck's constant. c is the speed of light, of course.
hc/L is the photon energy
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