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O-LevelPhysicsNuclear Physics5054/11 · May/June 2015 · Q381 Mark

A factory continuously produces plastic sheets. A radioactive isotope and a detector are used to check the thickness of the sheets. What is the most suitable source to use?

Aan alpha source with a half-life of a few minutes
Ban alpha source with a half-life of several years
Cbeta source with a half-life of a few minutes
Dbeta source with a half-life of several years

✓ Correct answer

D: beta source with a half-life of several years

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About this question

Topic
Nuclear Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, May/June 2015 Paper 1 Variant 1, question 38.

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