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6 Radioactivity

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Question 31
F

Two radioactive sources, X and Y, each have an activity of 3200 Bq3200\ \text{Bq}3200 Bq at the start.

The half-life of source X is 2 days.

The half-life of source Y is 50 years.

a.

Calculate the activity of source X after 8 days.

[2]
b.

Explain which source will be more dangerous to store in 10 years' time.

[2]
c.

A student says:

'Source X is completely safe after 8 days.'

Explain whether the student is correct.

[2]
d.

Give one precaution that should be taken when storing source Y.

[1]
Markscheme

6 Radioactivity Questions

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

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