O-LevelPhysicsNuclear Physics5054/11 · Oct/Nov 2010 · Q401 Mark

The table shows details of two samples of radioactive nuclides X and Y. After how many days will the number of atoms of nuclide X be equal to the number of atoms of nuclide Y?

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A2 days

B4 days

C6 days

D8 days

✓ Correct answer

C: 6 days

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Topic: Nuclear Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2010 Paper 1 Variant 1, question 40.

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