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Atomic Structure · CAPE Physics Unit 2

47 past-paper questions on Atomic Structure, part of Atomic and Nuclear Physics, from every CAPE Physics Unit 2 paper on Quelpr.

Practise Atomic Structure
  1. 9(a)(i)2 marks· CAPE Physics Unit 2 · 2006 · Paper 1Draw a diagram of the experimental apparatus used in the alpha particle scattering experiment.
  2. 9(a)(ii)1 mark· CAPE Physics Unit 2 · 2006 · Paper 1State why the experiment was carried out in a vacuum.
  3. 9(b)3 marks· CAPE Physics Unit 2 · 2006 · Paper 1Complete the table by writing the conclusions that correspond to each of the three listed observations from the Rutherford scattering experiment.
  4. 3(a)(ii)1 mark· CAPE Physics Unit 2 · 2006 · Paper 2How could the charge on this drop be changed?
  5. 3(b)(i)3 marks· CAPE Physics Unit 2 · 2006 · Paper 2Plot a scatter graph of charge against result number on the grid opposite.
  6. 3(b)(ii)2 marks· CAPE Physics Unit 2 · 2006 · Paper 2How do these results suggest that charge is quantized?
  7. 3(b)(iii)1 mark· CAPE Physics Unit 2 · 2006 · Paper 2Deduce the value of the charge on the electron (in arbitrary units) implied by these data.
  8. Q381 mark · multiple choice· CAPE Physics Unit 2 · 2007 · Paper 1The results of the Geiger - Marsden \alpha-particle scattering experiment provides evidence for
  9. Q391 mark · multiple choice· CAPE Physics Unit 2 · 2007 · Paper 1The diagram shows the set up for a Millikan's oil drop experiment. A variable voltage, V, is applied between the plates \text{X} and \text{Y}, which are separated by a distance, d. The microscope is focussed on…
  10. Q371 mark · multiple choice· CAPE Physics Unit 2 · 2008 (Rest of Region) · Paper 1Which statement about the behaviour of the oil drops during the experiment is correct?
  11. Q381 mark · multiple choice· CAPE Physics Unit 2 · 2008 (Rest of Region) · Paper 1An early experiment, working in other than SI units, obtained the following series of values for the magnitudes of the charges on minute oil drops: 19.64 \quad 39.28 \quad 09.82 \quad 39.28 \quad 34.37 \quad 19.64…
  12. Q391 mark · multiple choice· CAPE Physics Unit 2 · 2008 (Rest of Region) · Paper 1After Millikan performed his oil drop experiment, he concluded that
  13. 6(a)(i)2 marks· CAPE Physics Unit 2 · 2008 (T&T) · Paper 2What is the evidence in Millikan's oil drop experiment for the quantization of charge?
  14. 6(a)(ii)2 marks· CAPE Physics Unit 2 · 2008 (T&T) · Paper 2Give TWO measures adopted by Millikan to improve accuracy in the oil drop experiment.
  15. 6(a)(iii)1 mark· CAPE Physics Unit 2 · 2008 (T&T) · Paper 2Explain how it is possible to change the charge on an oil droplet.
  16. Q371 mark · multiple choice· CAPE Physics Unit 2 · 2009 · Paper 1Which TWO scientists conducted an experiment which proves that the nucleus of an atom is very small and positively charged?
  17. Q381 mark · multiple choice· CAPE Physics Unit 2 · 2009 · Paper 1Item 38 is about Millikan's oil drop experiment which is depicted in the diagram below. Which statement about the behaviour of the oil drops during the experiment is correct?
  18. Q361 mark · multiple choice· CAPE Physics Unit 2 · 2010 · Paper 1Millikan's oil drop experiment gives evidence
  19. Q381 mark · multiple choice· CAPE Physics Unit 2 · 2011 · Paper 1Which statement about the behaviour of the oil drops during the experiment is correct?
  20. Q371 mark · multiple choice· CAPE Physics Unit 2 · 2012 · Paper 1Which two scientists conducted an experiment which proves that the nucleus of an atom is very small and positively charged?
  21. Q381 mark · multiple choice· CAPE Physics Unit 2 · 2012 · Paper 1Which statement about the behaviour of the oil drops during the experiment is correct?
  22. Q381 mark · multiple choice· CAPE Physics Unit 2 · 2013 · Paper 1Which statement about the behaviour of the oil drops during the experiment is correct?
  23. Q371 mark · multiple choice· CAPE Physics Unit 2 · 2014 · Paper 1Which two scientists conducted an experiment which proved that the nucleus of an atom is very small and positively charged?
  24. Q381 mark · multiple choice· CAPE Physics Unit 2 · 2014 · Paper 1Which statement about the behaviour of the oil drops during the experiment is correct?
  25. 6(a)2 marks· CAPE Physics Unit 2 · 2015 · Paper 2State TWO conclusions regarding the nature of atomic structure that were deduced from the results of the Geiger–Marsden experiment.
  26. Q381 mark · multiple choice· CAPE Physics Unit 2 · 2016 · Paper 1Which of the following statements about the behaviour of the oil drops during the experiment is correct?
  27. Q391 mark · multiple choice· CAPE Physics Unit 2 · 2016 · Paper 1Millikan's oil drop experiment provides evidence for the
  28. 6(a)8 marks· CAPE Physics Unit 2 · 2016 · Paper 2Describe the Geiger–Marsden experiment and discuss the evidence it provides for the nuclear model of the atom.
  29. Q351 mark · multiple choice· CAPE Physics Unit 2 · 2017 · Paper 1In Millikan's oil drop experiment, a charged drop of mass 4 \times 10^{-15}\text{ kg} is suspended between the metal plates by an electric field of strength 4.2 \times 10^4\text{ V}\text{ m}^{-1}. The charge of the…
  30. 6(a)2 marks· CAPE Physics Unit 2 · 2017 · Paper 2Name the apparatus components labelled U, V, W, X, and Y in Figure 8.
  31. 6(b)(i)4 marks· CAPE Physics Unit 2 · 2017 · Paper 2Outline the experimental procedure followed during the Millikan oil drop experiment.
  32. 6(b)(ii)2 marks· CAPE Physics Unit 2 · 2017 · Paper 2State the two major conclusions deduced from Millikan's oil drop experiment.
  33. Q381 mark · multiple choice· CAPE Physics Unit 2 · 2018 · Paper 1Which two scientists conducted an experiment which proved that the nucleus of an atom is very small and positively charged?
  34. Q391 mark · multiple choice· CAPE Physics Unit 2 · 2018 · Paper 1Millikan's oil drop experiment provides evidence for the
  35. Q351 mark · multiple choice· CAPE Physics Unit 2 · 2019 · Paper 1In Millikan's oil drop experiment, a charged drop of mass 4 \times 10^{-15}\text{ kg} is suspended between the metal plates by an electric field of strength 4.2 \times 10^4\text{ V m}^{-1}. The charge of the drop is
  36. 3(a)6 marks· Physics · Unit 2 Q3 3(a)Identify EACH of the components labelled A-F.
  37. 3(a)(i)6 marks· Physics · Unit 2 Q3 3(a)(i)Use an annotated diagram to describe the Geiger-Marsden α-particle scattering experiment.
  38. 3(a)(ii)2 marks· Physics · Unit 2 Q3 3(a)(ii)Using the results from this experiment, state the TWO major conclusions regarding the nuclear model of the atom.
  39. 3(b)(i)2 marks· Physics · Unit 2 Q3 3(b)(i)Complete Column 3 of Table 2.
  40. 3(b)(ii)4 marks· Physics · Unit 2 Q3 3(b)(ii)On the grid provided in Figure 5 on page 17, plot a graph of charge, Q, versus 1/V. Draw the line of best fit through the points.
  41. 3(b)(iii)4 marks· Physics · Unit 2 Q3 3(b)(iii)Use the graph in (b)(ii) to determine a value for the constant, K.
  42. 3(c)(iii)1 mark· Physics · Unit 2 Q3 3(c)(iii)Write the equation expressing the mass, m, of the droplets in terms of the radius and density.
  43. 3(d)(i)2 marks· Physics · Unit 2 Q3 3(d)(i)Show that Q is given by the equation Q = (1/V) [(4/3)πr³ρgd] by substituting the equations in (c)(ii) and (iii) into the equation stated in (c)(i).
  44. 3(d)(ii)1 mark· Physics · Unit 2 Q3 3(d)(ii)Hence, deduce an expression for K.
  45. 3(d)(iii)3 marks· Physics · Unit 2 Q3 3(d)(iii)Determine a value for the magnitude of K.
  46. 3(e)(i)1 mark· Physics · Unit 2 Q3 3(e)(i)State the direction of the buoyancy force.
  47. 3(e)(ii)4 marks· Physics · Unit 2 Q3 3(e)(ii)Calculate the magnitude of the buoyancy force given that the density of air is 1.3 kg m⁻³.

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