| Date | November 2014 | Marks available | 1 | Reference code | 14N.1.HL.TZ0.31 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 0 |
| Command term | Question number | 31 | Adapted from | N/A |
Question
According to the Heisenberg uncertainty principle, conjugate quantities are pairs of quantities that cannot be known precisely for the same object at the same time. What is the unit when two conjugate quantities are multiplied together?
A. kg m2s–1
B. kg2m s–1
C. kg m2s
D. kg m2s–2
Markscheme
A
Examiners report
[N/A]
Syllabus sections
Additional higher level (AHL) » Topic 12: Quantum and nuclear physics » 12.1 – The interaction of matter with radiation
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