(adsbygoogle = window.adsbygoogle || []).push({}); 1. What is the wavelength of a 5.0 eV photon?

What is the de Broglie wavelength of a 5.0 eV electron?

2.E = hc/lambda

lambda = h/momentum

3. I know the first one simply 248 nm for the wavelngth.

I don't know how to find the de Broglie though since I don't know what the momentum of the electron is.

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# De Broglie wavelength of a photon

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