Using de Broglie's wavelength to find frequency


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Hannah Lee 2F
Posts: 117
Joined: Thu Jul 11, 2019 12:15 am

Using de Broglie's wavelength to find frequency

Postby Hannah Lee 2F » Tue Nov 05, 2019 10:00 pm

Is it possible to use de Broglie's equation to find frequency, considering we can't use the equations for EM radiation? Do we have to know how to do that for the midterm?

Justin Seok 2A
Posts: 104
Joined: Sat Aug 24, 2019 12:15 am

Re: Using de Broglie's wavelength to find frequency

Postby Justin Seok 2A » Tue Nov 05, 2019 10:06 pm

I don't believe you can find the frequency directly using de Broglie's, at least not using c=wavelength*frequency. However, it may be an intermediate step in a photoelectric effect problem, where you are given wavelength of an ejected photon, which you use to find the velocity of the photon, and then find total energy and divide by h to find the frequency, or something to that effect.


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