Quelpr
1 markRadioactivity

CAPE Physics Unit 2 · 2005 · Paper 1 · Question 9(a)(ii)

Figure X shows a section of a Geiger-Muller tube.

Describe the principle of the operation of a G-M tube.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 9(a)(i)Beside EACH letter write the name of the parts labelled Q, S and T in Figure X.[3 marks]
  2. 9(a)(iii)Explain why a mixture of argon and bromine gas is used in the tube.[2 marks]
  3. 9(b)(i)Identify the type of radiation recorded at position A.[1 mark]
  4. 9(b)(ii)Show on Figure XI the region where gamma radiation would be detected.[1 mark]
  5. 9(b)(iii)If the distance from the source to the Geiger-Muller tube is about 15 cm, alpha-particles cannot be detected. Explain why.[2 marks]

More practice: the rest of this paper · more Radioactivity questions · all CAPE Physics Unit 2 past papers