Solved: The element helium is named for the Sun because
Chapter 31, Problem 79(choose chapter or problem)
The element helium is named for the Sun because that is where it was rst observed. (a) What is the shortest wavelength that one would expect to observe from a singly ionized helium atom in the atmosphere of the Sun? (b) Suppose light with a wavelength of 388.9 nm is observed from singly ionized helium. What are the initial and nal values of the quantum number n corresponding to this wavelength?
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