Physics (AS & A Level) · May / June 2023 · Paper 42 · Question 8

Fig. 8.1 shows the lowest four energy levels of an electron in an isolated atom. increasing energy n = 4 n = 3 n = 2 n = 1 Fig. 8.1 Fig. 8.2 shows the lines in the emission spectrum of the atom that correspond to the transitions of the electron from n = 3 to n = 1 and from n = 4 to n = 1. increasing frequency Fig. 8.2

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