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5.2.1 Background radiation and measuring count rate

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Question 25

Which of the following contributes to a person's annual dose of background ionising radiation?

A

cosmic rays

B

infrared radiation from household heaters

C

radio waves from Wi-Fi routers

D

visible light from LED lamps

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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