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Date May 2011 Marks available 1 Reference code 11M.1.HL.TZ2.30
Level Higher level Paper Paper 1 Time zone Time zone 2
Command term Question number 30 Adapted from N/A

Question

The magnitude of the uncertainty in the position of a particle is equal to the de Broglie wavelength of the particle. Which of the following is the minimum uncertainty in the momentum p of the particle?

 

A. \(\frac{p}{{4\pi }}\)

B. \(\frac{{4\pi }}{p}\)

C. \(\frac{h}{p}\)

D. \(\frac{p}{h}\)

Markscheme

A

Examiners report

 

Syllabus sections

Additional higher level (AHL) » Topic 12: Quantum and nuclear physics » 12.1 – The interaction of matter with radiation
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