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Question 1 of 18 in Units (Radioactivity)

Units (Radioactivity)

1 mark · Easy

What is the SI unit for measuring the activity of a radioactive sample?

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becquerel (Bq)

Also accept: Bq; becquerels

Common mistakes: second; counts

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B1 · 1 mark · States 'becquerel' (Bq) as the SI unit for activity

Worked solution

The SI unit for activity is the becquerel (symbol: Bq).

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