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5.2.1 Background radiation and measuring count rate

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Question 13

When measuring the count rate of a radioactive source, the background radiation must be subtracted to obtain the corrected count rate.

Which option shows only sources of background radiation?

A

Cosmic rays from space and radon gas from the ground

B

Radon gas from the ground and infrared radiation from a heater

C

Cosmic rays from space and microwaves from mobile networks

D

Radio waves from broadcasting and X-rays from hospital scans

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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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