(Solution) - An electron is emitted from a middle mass nuclide A -(2025 Original AI-Free Solution)

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Academic Level: Undergrad. (yrs 3-4)

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Pages: 5 Words: 1375

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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?