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Exam-style practice

Half-life practice questions

Practise mixed syllabus-aligned questions for Half-life. Aligned to Cambridge IGCSE Physics.

Practice questions

Question 1 of 6

Choose an answer, get feedback, then move sideways through the set.

Paper 3 structured question: Half-life

Paper 3Theory (Core)1 marks

Description

Decay of a Radioactive Isotope

A sample of a radioactive isotope has a half-life of 5 years. After 15 years, how much of the original sample remains?

  1. a

    State the half-life of the isotope.

    Aim for approximately 1 distinct marking point.

    [1]