CAPE Physics Unit 2 · 2007 · Paper 1 · Question Q35
The figure below shows an energy level diagram for a hydrogen atom.
An electron moves from one energy state to another with the production of a photon of frequency 2.46 \times 10^{15}\text{ Hz}. Which energy transition accounts for this?
- (A)
E_4 \rightarrow E_2 - (B)
E_3 \rightarrow E_2 - (C)
E_3 \rightarrow E_1 - (D)
E_2 \rightarrow E_1
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