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5.1.1a Structure of the atom and ions

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Question 58

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

5.1.1a 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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