Quelpr
1 markAtomic Structure

CAPE Physics Unit 2 · 2008 (T&T) · Paper 2 · Question 6(a)(iii)

Millikan's oil drop experiment.

Explain how it is possible to change the charge on an oil droplet.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 6(a)(i)What is the evidence in Millikan's oil drop experiment for the quantization of charge?[2 marks]
  2. 6(a)(ii)Give TWO measures adopted by Millikan to improve accuracy in the oil drop experiment.[2 marks]
  3. 6(b)(i)Draw a free body diagram showing the forces acting on the oil drop.[2 marks]
  4. 6(b)(ii)a)Calculate the charge on the oil drop.[3 marks]
  5. 6(b)(ii)b)Calculate the number of electrons attached to the oil drop.[2 marks]
  6. 6(c)The potential of the upper plate is suddenly changed to -1.50 \times 10^3 V. Determine the initial acceleration of the charged drop.[3 marks]

More practice: the rest of this paper · more Atomic Structure questions · all CAPE Physics Unit 2 past papers