| Date | May 2010 | Marks available | 1 | Reference code | 10M.1.HL.TZ1.30 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 30 | Adapted from | N/A |
Question
Which of the following is an assumption of the Schrödinger model of the hydrogen atom?
A. The orbital path of the electron fits a standing wave.
B. The position of the electron is undefined but its momentum is well defined.
C. The momentum of the electron is undefined but its position is well defined.
D. The electron is described by wavefunctions.
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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