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IB Physics HL D 2 4 Millikan Experiment Questions

Practise IB Physics HL D.2.4 by interpreting Millikan’s experiment as evidence that electric charge is quantized.

Syllabus
First assessment 2025
Course
Physics HL
Level
HL

Exam points

  • Explain that Millikan’s measurements provided evidence that electric charge occurs in discrete multiples.
  • Relate the measured elementary charge to quantized charge on droplets or particles.
  • Distinguish experimental evidence for charge quantization from the force model used to analyse droplets.

Learn this topic

Study D.2.4—Millikan experiment conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Physics HL D 2 4 Millikan Experiment Questions question 1

[Maximum number: 1]

Who was the first scientist to show that electric charge is quantized?

A

Coulomb

B

Millikan

C

Planck

D

Rutherford

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