Question: An electron is emitted from a middle-mass nuclide (A - 150, say) with a kinetic energy of 1.0 MeV. (a) What is its de Broglie

An electron is emitted from a middle-mass nuclide (A - 150, say) with a kinetic energy of 1.0 MeV.

(a) What is its de Broglie wavelength?

(b) Calculate the radius of the, emitting nucleus.

(c) Can such an electron be confined as a standing wave in a "box" of such dimensions? 

(d) Can you use these numbers to disprove the (abandoned) argument that electrons actually exist in nuclei?

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