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6 Radioactivity

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Question 30

A clinic will use a gamma-emitting tracer in a medical investigation. The tracer leaves the production site with an activity of 800 MBq800\ \mathrm{MBq}800 MBq. The journey to the clinic lasts 6 hours, and the isotope has a half-life of 2 hours.

What is the activity of the tracer when it reaches the clinic?

[1]
A

200 MBq200\ \mathrm{MBq}200 MBq

B

100 MBq100\ \mathrm{MBq}100 MBq

C

50 MBq50\ \mathrm{MBq}50 MBq

D

400 MBq400\ \mathrm{MBq}400 MBq

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6 Radioactivity Questions

  1. GCSE
  2. /Physics
  3. /6 Radioactivity

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