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5.1 The nuclear model of the atom

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Question 35

A beam of cathode rays is emitted from a heated filament inside a vacuum tube.

What is the identity of the particles that make up these cathode rays, and what is the name of the process by which they are released from the heated filament?

A

protons; thermionic emission

B

electrons; photoelectric effect

C

electrons; thermionic emission

D

neutrons; nuclear emission

Markscheme

5.1 The nuclear model of the atom Questions

  1. IGCSE
  2. /Physics
  3. /5.1 The nuclear model of the atom

284 exam-style questions on CIE IGCSE Physics 5.1 The nuclear model of the atom, covering 5.1.1a Structure of the atom and ions, 5.1.1b Alpha-particle scattering, 5.1.2a Composition of the nucleus and isotopes, 5.1.2b Proton number, nucleon number and nuclide notation, and 5.1.2c Nuclear fission and nuclear fusion. Each one has a worked solution and a mark scheme showing where the marks go.

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