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5.2 Radioactivity

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Question 208

Background radiation is the low-level ionizing radiation that is constantly present in our environment.

Which of the following lists contains only natural sources of background radiation?

A

cosmic rays, radon gas from the ground, and medical scans

B

radon gas from the ground, cosmic rays, and food and drink

C

nuclear power generation, cosmic rays, and radon gas from the ground

D

medical scans, nuclear fallout, and cosmic rays

Markscheme

5.2 Radioactivity Questions

  1. IGCSE
  2. /Physics
  3. /5.2 Radioactivity

484 exam-style questions on CIE IGCSE Physics 5.2 Radioactivity, covering 5.2.1 Background radiation and measuring count rate, 5.2.2a Alpha, beta and gamma emission, 5.2.2b Deflection and ionising effects of nuclear radiation, 5.2.3a Radioactive decay, 5.2.3b Effects of decay on the nucleus and decay equations, 5.2.4a Half-life, 5.2.4b Choosing isotopes for applications, and 5.2.5 Effects of ionising radiation and safety precautions. Each one has a worked solution and a mark scheme showing where the marks go.

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