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5.2.1 Background radiation and measuring count rate

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Question 28

A student lists three sources of background radiation:

  1. radioactive isotopes in rocks and soil
  2. fall-out from nuclear weapons test explosions
  3. cosmic rays

Which of these are naturally occurring sources of background radiation?

A

1 and 2 only

B

1 and 3 only

C

2 and 3 only

D

1, 2 and 3

Markscheme

5.2.1 Background radiation and measuring count rate Questions

  1. IGCSE
  2. /Physics
  3. /5.2.1 Background radiation and measuring count rate

44 exam-style questions on CIE IGCSE Physics 5.2.1 Background radiation and measuring count rate. Each one has a worked solution and a mark scheme showing where the marks go.

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