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5.1.1a Structure of the atom and ions

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Question 42

In an electron gun, a heated metal filament releases electrons into a vacuum.

What is the name of this emission process?

A

Photoelectric emission

B

Radioactive decay

C

Thermionic emission

D

Secondary emission

Markscheme

5.1.1a Structure of the atom and ions Questions

  1. IGCSE
  2. /Physics
  3. /5.1.1a Structure of the atom and ions

114 exam-style questions on CIE IGCSE Physics 5.1.1a Structure of the atom and ions. Each one has a worked solution and a mark scheme showing where the marks go.

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