| Date | November 2012 | Marks available | 1 | Reference code | 12N.1.HL.TZ0.23 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 0 |
| Command term | Question number | 23 | Adapted from | N/A |
Question
The diagram shows three electron energy levels of an atom. Which transition results in the emission of a photon of the longest wavelength?
Markscheme
D
Examiners report
[N/A]
Syllabus sections
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