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6.1 Atomic structure and isotopes

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Question 51

A student investigates how the absorption of gamma radiation depends on the thickness of lead.

The apparatus available is:

  • a source of gamma radiation
  • a Geiger–Müller (G-M) tube and counter
  • 8 sheets of lead, each 2.0 mm thick
  • a half-metre rule.

Sketch a labelled diagram showing the correct arrangement of this apparatus when measurements are being taken.

[2]
Markscheme

6.1 Atomic structure and isotopes Questions

  1. GCSE
  2. /Physics
  3. /6.1 Atomic structure and isotopes

81 exam-style questions on Edexcel GCSE Physics 6.1 Atomic structure and isotopes, covering 6.1.1 Structure of the atom, 6.1.2 Isotopes: atomic and mass number, 6.1.3 Sub-atomic particles: masses and charges, and 6.1.4 Electron orbits and energy changes. Each one has a worked solution and a mark scheme showing where the marks go.

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