Curriculum
Course: IB Physics HL
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Curriculum

IB Physics HL

Theme A — Space, Time and Motion

0/125 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/105 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/73 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/77 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/89 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/43 Dr Dabour Hub Science Diagram and Course Material
Quiz

E.2.4 The de Broglie Wavelength – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
The de Broglie wavelength of a particle is
hp
p/h
hc/p
h/p
2.
When the speed of an electron doubles, its de Broglie wavelength
halves
doubles
quadruples
is unchanged
3.
An electron and a proton have the same kinetic energy. The wavelength is
greater for the proton
greater for the electron
the same
zero for the proton
4.
Electron diffraction by a crystal shows that electrons
are positive
have no mass
have wave properties
travel at c
5.
When the accelerating voltage on an electron gun is quadrupled, the wavelength
doubles
quarters
halves
is unchanged
6.
A ball of mass 0.10 kg moves at 10 m s−1. Its de Broglie wavelength is about
6.6 × 10−34 m
6.6 × 10−35 m
6.6 × 10−10 m
1.0 m
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Part of Theme E — Nuclear and Quantum Physics — see every lesson and quiz in this unit.
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