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Date May 2010 Marks available 1 Reference code 10M.1.SL.TZ1.24
Level Standard level Paper Paper 1 Time zone Time zone 1
Command term Question number 24 Adapted from N/A

Question

Which of the following correctly identifies the three particles emitted in the decay of the nucleus \(_{{\text{20}}}^{{\text{45}}}{\text{Ca}}\) into a nucleus of \(_{{\text{21}}}^{{\text{45}}}{\text{Sc}}\)?

A.     \(\alpha ,{\text{ }}{\beta ^ - },{\text{ }}\gamma \)

B.     \({\beta ^ - },{\text{ }}\gamma {\text{, }}\bar \nu \)

C.     \(\alpha ,{\text{ }}\gamma {\text{, }}\bar \nu \)

D.     \(\alpha ,{\text{ }}{\beta ^ - }{\text{, }}\bar \nu \)

Markscheme

B

Examiners report

[N/A]

Syllabus sections

Core » Topic 7: Atomic, nuclear and particle physics » 7.1 – Discrete energy and radioactivity
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