| Date | November 2010 | Marks available | 1 | Reference code | 10N.1.HL.TZ0.32 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 0 |
| Command term | Question number | 32 | Adapted from | N/A |
Question
A proton and an alpha particle have the same de Broglie wavelength.
Which of the following is approximately the ratio \(\frac{{{\text{speed of alpha particle}}}}{{{\text{speed of proton}}}}\)?
A. \(\frac{1}{4}\)
B. \(\frac{1}{2}\)
C. 2
D. 4
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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