| Date | May 2014 | Marks available | 1 | Reference code | 14M.1.HL.TZ2.31 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 31 | Adapted from | N/A |
Question
If there is no uncertainty in the value of the de Broglie wavelength of a particle then this means that
A. both the momentum and position of the particle are known precisely.
B. the position of the particle is known precisely but all knowledge of its momentum is lost.
C. both the energy and the position of the particle are known precisely.
D. only the momentum of the particle is known precisely but all knowledge of its position is lost.
Markscheme
D
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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