Interactive practical

Measuring radioactive half-life

Measure the background count, then count a protactinium generator with a GM tube in ten-second windows and find the half-life from a graph of ln(corrected count rate) against time.

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Practice: Measuring radioactive half-life

CCEA 1210 — this practical matches your selected course; the questions check the method, data handling and practical skills.

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6 additional questions require A-Level Physics Premium access.

2 of 2 available questions match the selected filters. This session contains 2 questions.

Question 1 · 1 mark · Foundation · Practical · Diagnostic

Who should handle the protactinium generator?

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Question 2 · 3 marks · Standard · Practical · Practical method

Explain why the count rate is corrected for background.