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CAPE Physics Unit 1 · 2004 · Paper 2

53 questions and parts from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.

Practise this paper
  1. 1(a)3 marksFind the gradient of the graph when t = 0.5 s.
  2. 1(b)3 marksUse data from the graph to find the acceleration of the ball.
  3. 1(c)3 marksWhy is the gradient of the graph greater immediately before 1.2 s than immediately after 1.2 s?
  4. 1(d)1 markIf further timings and displacements were taken after 1.8 s, would you expect the displacement to become zero again? Explain your answer.
  5. 2(a)4 marksOn page 7, plot a graph of 1/f against l, starting the scale on the l axis at 100 mm.
  6. 2(b)5 marksUse the graph to find the speed of sound during the experiment.
  7. 2(c)1 markFind the end connection for the tube.
  8. 3(a)3 marksPlot a graph of temperature versus time for the block on the grid provided on page 9.
  9. 3(b)5 marksFrom your graph determine the specific heat capacity of aluminium.
  10. 3(c)1 markWhat is the heat capacity of the block?
  11. 3(d)1 markSuggest how the experiment might be improved.
  12. 4(a)(i)4 marksWhat conditions are required for a body to undergo parabolic motion?
  13. 4(a)(ii)1 markWhat conditions are required for a body to undergo circular motion?
  14. 4(b)4 marksExplain what is meant by a 'geostationary satellite'. Show that the radius of the orbit of a geostationary satellite is independent of its mass.
  15. 4(c)5 marksA small mass of 0.60 kg is rotated at the end of a string in a horizontal circle of radius 1.20 m. The string will break if the tension exceeds 60 N. What is the GREATEST frequency of revolution that is possible?
  16. 4(d)(i)7 marksState and explain where the tension in the string is MAXIMUM and MINIMUM.
  17. 4(d)(ii)1 markFind the speed of the mass.
  18. 5(a)(i)8 marksDefine 'linear momentum' and state the principle of conservation of linear momentum.
  19. 5(a)(ii)a)1 markDistinguish between 'inelastic' collision and 'perfectly elastic' collisions.
  20. 5(a)(ii)b)1 markDescribe how the conservation of energy applies in EACH case.
  21. 5(a)(iii)1 markExplain the meaning of the 'impulse of a force' and show the relation between the impulse of a force in a body and the momentum of the body.
  22. 5(b)(i)12 marksShow whether or not the two sets of data are consistent with the law of conservation of momentum.
  23. 5(b)(ii)1 markDetermine whether the collisions are elastic or inelastic.
  24. 5(b)(iii)1 markWhy should the speeds be measured IMMEDIATELY before and after the collisions?
  25. 5(b)(iv)a)1 markWhat would be the TOTAL momentum after collision?
  26. 5(b)(iv)b)1 markExplain your answer.
  27. 6(a)(i)8 marksExplain what is meant by 'refraction of sound waves'.
  28. 6(a)(ii)1 markDraw sketches to show the refraction of sound waves as the waves travel from cool air to warmer air and from warm air to cooler air.
  29. 6(a)(iii)1 markHence explain why sound waves are more audible at night than in the day.
  30. 6(b)4 marksUsing these data, calculate a value for the speed of sound in air.
  31. 6(c)(i)8 marksCalculate the amplitude of the wave at the chair on the perpendicular bisector (centre line) of the line between the speakers.
  32. 6(c)(ii)1 markAt what MINIMUM distance, D, to the right of this central chair is there a MAXIMUM in the sound intensity?
  33. 7(a)(i)8 marksDefine 'simple harmonic motion' (S.H.M.) and write down an expression relating acceleration to displacement in S.H.M.
  34. 7(a)(ii)1 markShow that the time period of oscillation, T, of a simple pendulum of length l and mass m is given by T = 2π√(l/g) where g is the acceleration due to gravity.
  35. 7(b)(i)6 marksCalculate the time period of oscillation for the pendulum.
  36. 7(b)(ii)1 markIf the car is now at rest, and the pendulum undergoes S.H.M, would its time period be shorter or longer than that calculated in 7 (b) (i)? Explain your answer.
  37. 7(c)(i)6 marksDetermine the angular frequency of this oscillation.
  38. 7(c)(ii)1 markFind the period of this S.H.M.
  39. 7(c)(iii)a)1 markFind at time t = 1.0 s the displacement.
  40. 7(c)(iii)b)1 markFind at time t = 1.0 s the velocity.
  41. 7(c)(iii)c)1 markFind at time t = 1.0 s the acceleration.
  42. 8(a)(i)8 marksState and explain the processes by which a hot body can lose heat to the surroundings.
  43. 8(a)(ii)1 markExplain the terms 'specific heat capacity' and 'specific latent heat' of fusion of a material.
  44. 8(b)7 marksCalculate the time it will take for the beaker and its contents to be heated through 20°C.
  45. 8(c)(i)5 marksCalculate the specific latent heat of fusion of the material.
  46. 8(c)(ii)1 markCalculate the specific heat capacity of the material in the liquid phase.
  47. 9(a)(i)8 marksState the first law of thermodynamics in the form of an equation and explain the symbols used.
  48. 9(a)(ii)1 markDefine the term 'the mole'.
  49. 9(a)(iii)1 markThe molar heat capacity of a gas at constant pressure, cₚ, differs from the molar heat capacity at constant volume, cᵥ. State which is the GREATER and explain why.
  50. 9(b)(i)12 marksDraw a graph to represent these changes.
  51. 9(b)(ii)1 markShow that the OVERALL change of internal energy is given by ΔU = (33/2) P₀V₀.
  52. 9(b)(iii)a)1 markCalculate the work done by the gas on the surroundings.
  53. 9(b)(iii)b)1 markCalculate the thermal energy added to the gas.

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