Question 13 of 123 in Radioactivity and Particles

Units (Radioactivity)

1 mark · Normal

State the unit used for measuring time when recording radioactive decay in practical investigations.

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second (s)

Also accept: seconds; s

Common mistakes: minutes (min) (these are sometimes used, but the SI unit is second)

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Marking points

B1 · 1 mark · Correct unit: second (s)

Worked solution

The SI unit for measuring time in radioactive decay is the second (s).

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