Units (Radioactivity)

1 mark · Easy

Which unit would be most appropriate to measure the thickness of a metal foil used to absorb beta radiation?

Akilogram (kg)Bcentimetre (cm)Csecond (s)Dbecquerel (Bq)

› Show answer

Correct option: centimetre (cm)

Common mistakes: kilogram (kg); becquerel (Bq)

› Show mark scheme and worked solution

Marking points

B1 · 1 mark · Correct answer: centimetre (cm)

Worked solution

Thickness should be measured in centimetres (cm).

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