IB Physics HL E 1 10 Hl Bohr Hydrogen Levels Topic Practice

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Question 1

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This question is in two parts.

The energies of the principal energy levels in atomic hydrogen measured in eV are given by the expression

En=−13.6n2 where n=1,2,3E_{n}=-\frac{13.6}{n^{2}} \text { where } n=1,2,3

The visible lines in the spectrum correspond to electron transitions that end at n=2.

Calculate the energy of the level corresponding to n=2.

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