When an electron in a certain excited energy level in a one dimensional box of length 2 00 makes a transition to the ground state, a photon of wavelength 8 79 nm is emitted Find the quantum number of the initial state

Question: When an electron in a certain excited energy level in a one-dimensional box of length 2.00 makes a transition to the ground state, a

When an electron in a certain excited energy level in a one-dimensional box of length 2.00 Å makes a transition to the ground state, a photon of wavelength 8.79 nm is emitted. Find the quantum number of the initial state.

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