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Question 19N.1A.SL.TZ0.29

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.1A.SL.TZ0.29
Level SL Paper 1A Time zone TZ0
Command term Question number 29 Adapted from N/A
29.
[Maximum mark: 1]
19N.1A.SL.TZ0.29

What is the function of the moderator in a thermal nuclear fission reactor?

A. To decrease the kinetic energy of neutrons emitted from fission reactions

B. To increase the kinetic energy of neutrons emitted from fission reactions

C. To decrease the overall number of neutrons available for fission

D. To increase the overall number of neutrons available for fission

[1]

Markscheme

A

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