An electron in a hydrogen atom is raised to the n=6 state and then allowed to de-excite. Answer the following:
a. (a) Determine the maximum number of spectral lines that can be produced during its complete de-excitation.
b. (b) How many of these lines belong to the Lyman series?
c. (c) Calculate the wavelength of the longest Lyman line produced (give your answer in ångströms).