| Date | November 2016 | Marks available | 1 | Reference code | 16N.1.SL.TZ0.24 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 0 |
| Command term | Question number | 24 | Adapted from | N/A |
Question
Photons of energy 2.3eV are incident on a low-pressure vapour. The energy levels of the atoms in the vapour are shown
What energy transition will occur when a photon is absorbed by the vapour?
A. –3.9eV to –1.6eV
B. –1.6eV to 0eV
C. –1.6eV to –3.9eV
D. 0eV to –1.6eV
Markscheme
A
Examiners report
[N/A]
Syllabus sections
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