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

D.2.8 Electric Potential Energy – Check yourself

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1.
The electric potential energy of two like point charges Q and q at separation r is
−kQq/r
kQq/r
kQq/r2
kQ/r
2.
An electron gains 4.0 × 10−16 J of kinetic energy. This is
4.0 keV
25 keV
2.5 keV
0.25 keV
3.
A proton is accelerated through 1000 V. A doubly charged ion would gain, through the same voltage,
the same energy
half the energy
four times the energy
twice the energy
4.
A particle of charge q and mass m starts at rest and is accelerated through a potential difference V. Its speed is
qV/m
√(2qV/m)
√(qV/m)
2qV/m
5.
The work needed to bring a +1.0 µC charge to a point where V = +300 V is
3.0 × 108 J
3.3 × 10−9 J
3.0 × 10−4 J
0.30 J
6.
Two opposite charges have a potential energy that is
negative
positive
zero
infinite
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