Units (Radioactivity)

2 marks · Easy

Explain why it is important to use the correct SI unit when reporting the activity of a radioactive source in scientific investigations.

Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.

Show mark scheme and worked solution

Marking points

M1 · 1 mark · States that correct units make results understandable and comparable.

M2 · 1 mark · Mentions that SI units avoid confusion and ensure scientific accuracy.

Worked solution

Using the correct SI unit for activity (becquerel) ensures that results are easy to compare and share with other scientists. It prevents confusion about what is being measured and ensures the accuracy and standardisation of scientific data.