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Date May 2018 Marks available 1 Reference code 18M.1.HL.TZ1.32
Level Higher level Paper Paper 1 Time zone 1
Command term Question number 32 Adapted from N/A

Question

An electron of mass me orbits an alpha particle of mass mα in a circular orbit of radius r. Which expression gives the speed of the electron?

A.      2 k e 2 m e r

B.      2 k e 2 m a r

C.      4 k e 2 m e r

D.      4 k e 2 m a r

Markscheme

A

Examiners report

[N/A]

Syllabus sections

Additional higher level (AHL) » Topic 10: Fields » 10.2 – Fields at work
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Additional higher level (AHL) » Topic 10: Fields
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