| Date | November 2012 | Marks available | 1 | Reference code | 12N.1.SL.TZ0.21 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 0 |
| Command term | Question number | 21 | Adapted from | N/A |
Question
An electron has a kinetic energy of 4.8×10–10J. What is the equivalent value of this kinetic energy?
A. 3.0 eV
B. 3.0 keV
C. 3.0 MeV
D. 3.0 GeV
Markscheme
D
Examiners report
The GeV prefix was apparently unknown by a significant number of candidates at both levels.
Syllabus sections
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