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6.3 Nuclear equations and decay

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Question 7

Sodium-24 is a radioactive isotope with a half-life of 15 hours.

An experimental sample containing sodium-24 is monitored, and its activity is found to decrease from 2400 Bq to 300 Bq.

Determine the time over which this decrease in activity occurred.

[2]

Markscheme

6.3 Nuclear equations and decay Questions

GCSE
Physics
6.3 Nuclear equations and decay

90 exam-style questions on Edexcel GCSE Physics 6.3 Nuclear equations and decay. Each one has a worked solution and a mark scheme showing where the marks go.

6.3 Nuclear equations and decay

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6.3 Nuclear equations and decay

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Question 7

Sodium-24 is a radioactive isotope with a half-life of 15 hours.

An experimental sample containing sodium-24 is monitored, and its activity is found to decrease from 2400 Bq to 300 Bq.

Determine the time over which this decrease in activity occurred.

[2]

Markscheme

6.3 Nuclear equations and decay Questions

GCSE
Physics
6.3 Nuclear equations and decay

90 exam-style questions on Edexcel GCSE Physics 6.3 Nuclear equations and decay. Each one has a worked solution and a mark scheme showing where the marks go.