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.2.2 Millikan’s Oil Drop Experiment – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Millikan's experiment showed that
electrons have mass 9.11 × 10−31 kg
charge exists in discrete multiples of e
charge is continuous
all drops are neutral
2.
A drop is stationary between plates when
the electric force is zero
the drag is greatest
the electric force equals its weight
the drop is at the top plate
3.
A drop of mass 2.0 × 10−15 kg is held between plates 1.0 cm apart by 1000 V. Its charge is
2.0 × 10−15 C
2.0 × 10−16 C
2.0 × 10−22 C
2.0 × 10−19 C
4.
To find the mass of the drop Millikan used
its terminal velocity with the field on
its terminal velocity with the field off
the plate voltage alone
a balance
5.
Measured charges (in 10−19 C): 3.2, 9.6, 6.4. The elementary charge is estimated as
3.2 × 10−19 C
9.6 × 10−19 C
1.6 × 10−19 C
6.4 × 10−19 C
6.
If the plate voltage was doubled for the same drop, the electric force would
double
halve
stay the same
quadruple
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Part of Theme D — Fields — see every lesson and quiz in this unit.
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