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5.2.1 Background radiation and measuring count rate

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Question 42

Background radiation is the ionizing radiation that is constantly present in the environment.

Which of the following does not contribute to background radiation?

A

radon gas from soil and rocks

B

cosmic rays from outer space

C

radio waves from Wi-Fi communication

D

radioactive potassium-40 in food

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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