Question: An electron is in an infinitely deep one - dimensional potential well with a width , and the energy of the ground state is 4

An electron is in an infinitely deep one-dimensional potential well with a width , and the energy of the ground state is 4.0 eV.
a) What is the width of the well?
b) What is the smallest possible momentum of the electron?
c) What is the maximum possible wavelength of a photon that the system can emit?

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