The electron of a hydrogen atom is excited to a state with a principal quantum number n and a total energy of -1.50 eV.

1. ???What are the minimum and maximum possible orbital angular momentum of the electron? Express your answers in units of ?.
2. ???Assume that the electron has a minimum orbital angular momentum. When it relaxes to the states with n = 2, two spectral lines with a separation of 1.6010^-11 m are observed.

i. Write down the transitions corresponding to the observed spectral lines.

ii. Estimate the magnitude of the internal magnetic field experienced by the electron during the transition.

4. The electron of a hydrogen atom is excited to a state with a principal quantum number n and a total energy of-l.50 eV. a) What are the minimum and maximum possible orbital angular momentum of the electron? Express your answers in units of h. b) Assume that the electron has a minimum orbital angular momentum. When it relaxes to the states with n = 2, two spectral lines with a separation of 1.6(1'x10'll m are observed. i. Write down the transitions corresponding to the observed spectral lines. ii. Estimate the magnitude of the internal magnetic eld experienced by the electron during the transition. {25 marks)