Question: Consider an electron in hydrogen having total energy -0.5440eV. (a) What are the possible values of its orbital angular momentum (in terms of h)? (b)

Consider an electron in hydrogen having total energy -0.5440eV.
(a) What are the possible values of its orbital angular momentum (in terms of h)?
(b) What wavelength of light would it take to excite this electron to the next higher shell? Is this photon visible to humans?

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