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5.1.1a Structure of the atom and ions

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Question 53

In a vacuum tube, a heated metal filament is used to release a beam of charged particles.

What is the name of these emitted particles and what is the name of the process by which they are released?

A

Particles: electrons; Process: photoelectric emission

B

Particles: electrons; Process: thermionic emission

C

Particles: protons; Process: photoelectric emission

D

Particles: protons; Process: thermionic emission

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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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