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5.1 The nuclear model of the atom

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Question 143

An evacuated glass bulb contains a metal filament that is heated by passing an electric current through it. This heating action causes the filament to release electrons into the surrounding vacuum.

What is the name of this process of releasing electrons?

A

Photoelectric emission

B

Electromagnetic induction

C

Thermionic emission

D

Beta decay

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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