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Date November 2015 Marks available 1 Reference code 15N.1.HL.TZ0.28
Level Higher level Paper Paper 1 Time zone Time zone 0
Command term Question number 28 Adapted from N/A

Question

When electromagnetic radiation falls on a photocell, electrons of mass me are emitted, provided the frequency of the radiation is greater than f0. What is the maximum speed of the electron when radiation of frequency f falls on the photocell?

A.     2hfme

B.     2h(ff0)me

C.     hfme

D.     h(ff0)me

Markscheme

B

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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