Thermal Properties · CAPE Physics Unit 1

92 past-paper questions on Thermal Properties, part of Thermal and Mechanical Properties of Matter, from every CAPE Physics Unit 1 paper on Quelpr.

1. Q331 mark · multiple choice· CAPE Physics Unit 1 · 2007 · Paper 1What is the unit of heat capacity?
2. Q331 mark · multiple choice· CAPE Physics Unit 1 · 2007 (Specimen) · Paper 1The temperature of 50\text{ g} of liquid was raised by 60\text{ K} when it was used to cool a steel ball of mass 100\text{ g} from 150^\circ\text{C} to 70^\circ\text{C}. If the specific heat capacity of steel…
3. Q331 mark · multiple choice· CAPE Physics Unit 1 · 2008 (Rest of Region) · Paper 1What is the name given to the amount of heat energy needed to raise the temperature of 1\text{ kg} of substance through 1 degree or 1 kelvin?
4. Q351 mark · multiple choice· CAPE Physics Unit 1 · 2008 (Rest of Region) · Paper 1What section of the graph represents the change from liquid to solid?
5. Q341 mark · multiple choice· CAPE Physics Unit 1 · 2008 (T&T) · Paper 1The S.I. unit for heat capacity is
6. Q351 mark · multiple choice· CAPE Physics Unit 1 · 2008 (T&T) · Paper 1A certain liquid is cooled. Which of the following graphs shows where the region B to C is the freezing point?
7. Q331 mark · multiple choice· CAPE Physics Unit 1 · 2009 · Paper 1An immersion heater rated at 150\text{ W} is fitted into a large block of ice at 0\ ^\circ\text{C}. The specific latent heat of fusion of the ice is 3 \times 10^5\text{ J kg}^{-1}. How long does it take to melt…
8. Q341 mark · multiple choice· CAPE Physics Unit 1 · 2009 · Paper 1Which of the following statements is/are TRUE? I. Whilst a substance is melting its temperature remains constant. II. The triple point of a substance has a constant value. III. The boiling point of a liquid does not…
9. Q351 mark · multiple choice· CAPE Physics Unit 1 · 2009 · Paper 1Water falls from a height of 500\text{ m}. What is the rise in temperature of the water at the bottom if all the energy gained is converted to internal energy in the water?
10. Q331 mark · multiple choice· CAPE Physics Unit 1 · 2010 · Paper 1What is the name given to the amount of heat energy needed to change 1\text{ kg} of water at 100\text{ }^\circ\text{C} into steam at 100\text{ }^\circ\text{C}?
11. Q341 mark · multiple choice· CAPE Physics Unit 1 · 2010 · Paper 1In an electrical method for determining the specific heat capacity of a metal, the following readings were obtained mass of metal: 2\text{ kg} supply voltage: 240\text{ V} current: 3\text{ A} time for which heat…
12. Q331 mark · multiple choice· CAPE Physics Unit 1 · 2011 · Paper 1An immersion heater rated at 150\text{ W} is fitted into a large block of ice at 0\text{ }^\circ\text{C}. The specific latent heat of fusion of the ice is 3 \times 10^5\text{ J kg}^{-1}. How long does it take to…
13. Q341 mark · multiple choice· CAPE Physics Unit 1 · 2011 · Paper 1The SI unit for heat capacity is
14. Q351 mark · multiple choice· CAPE Physics Unit 1 · 2011 · Paper 1Water falls from a height of 500\text{ m}. What is the rise in temperature of the water at the bottom, if all the energy gained is converted to internal energy in the water?
15. Q331 mark · multiple choice· CAPE Physics Unit 1 · 2012 · Paper 1Which of the following statements is/are true about temperature? I. Whilst a substance is melting its temperature remains constant. II. The temperature at the triple point of a substance has a constant value. III. The…
16. Q341 mark · multiple choice· CAPE Physics Unit 1 · 2012 · Paper 1In an electrical method for determining the specific heat capacity of a metal, the following readings were obtained: Mass of metal: 2\text{ kg} Supply voltage: 240\text{ V} Current: 3\text{ A} Time for which heat…
17. Q351 mark · multiple choice· CAPE Physics Unit 1 · 2012 · Paper 1On a hot day, you feel cool when you perspire because the
18. Q331 mark · multiple choice· CAPE Physics Unit 1 · 2013 · Paper 1An immersion heater rated 150\text{ W} is fitted into a large block of ice at 0\ ^\circ\text{C}. The specific latent heat of fusion of the ice is 3 \times 10^5\text{ J kg}^{-1}. How long does it take to melt…
19. Q341 mark · multiple choice· CAPE Physics Unit 1 · 2013 · Paper 1In an electrical method for determining the specific heat capacity of a metal, the following readings were obtained: Mass of metal: 2\text{ kg} Supply voltage: 240\text{ V} Current: 3\text{ A} Time for which heat…
20. Q351 mark · multiple choice· CAPE Physics Unit 1 · 2013 · Paper 1Water falls from a height of 500\text{ m}. What is the rise in temperature of the water at the bottom, if all the energy gained is converted to internal energy in the water?
21. Q361 mark · multiple choice· CAPE Physics Unit 1 · 2013 · Paper 1Which of the following statements is/are TRUE? I. Whilst a substance is melting, its temperature remains constant. II. The triple point of a substance has a constant value. III. The boiling point of a liquid does not…
22. Q351 mark · multiple choice· CAPE Physics Unit 1 · 2014 · Paper 1The SI unit for heat capacity is
23. Q341 mark · multiple choice· CAPE Physics Unit 1 · 2015 · Paper 1In an electrical method for determining the specific heat capacity of a metal, the following readings were obtained: Mass of metal: 2\text{ kg} Supply voltage: 240\text{ V} Current: 3\text{ A} Time for which heat…
24. Q351 mark · multiple choice· CAPE Physics Unit 1 · 2015 · Paper 1Water falls from a height of 500\text{ m}. What is the rise in temperature of the water at the bottom, if all the energy gained is converted to internal energy in the water?
25. Q361 mark · multiple choice· CAPE Physics Unit 1 · 2015 · Paper 1Which of the following statements is/are true? I. While a substance is melting, its temperature remains constant. II. The triple point of a substance has a constant value. III. The boiling point of a liquid does not…
26. Q331 mark · multiple choice· CAPE Physics Unit 1 · 2016 · Paper 1The specific latent heat of a susbstance is defined as the energy required to change the phase of
27. Q351 mark · multiple choice· CAPE Physics Unit 1 · 2017 · Paper 1Water falls from a height of 500\text{ m}. What is the rise in temperature of the water at the bottom, if all the energy gained is converted to internal energy in the water?
28. 3(a)(i)4 marks· CAPE Physics Unit 1 · May/June 2023 · Paper 2Outline TWO differences between boiling and evaporation.
29. 3(a)(ii)2 marks· CAPE Physics Unit 1 · May/June 2023 · Paper 2Explain what is meant by the 'specific latent heat of fusion' of a substance.
30. 3(b)(i)4 marks· CAPE Physics Unit 1 · May/June 2023 · Paper 2On the axes provided in Figure 7, plot a graph of temperature, θ, versus time, t. Use the graph to determine the melting point of Y.
31. 3(b)(ii)5 marks· CAPE Physics Unit 1 · May/June 2023 · Paper 2For the substance Y in (b), calculate the specific latent heat of fusion if 200 g of Y is heated at a steady rate of 500 W.
32. 3(c)(i)3 marks· CAPE Physics Unit 1 · May/June 2023 · Paper 2Calculate the temperature change of the water.
33. 3(c)(ii)4 marks· CAPE Physics Unit 1 · May/June 2023 · Paper 2An unknown liquid is then passed through the same calorimeter at a flow rate of 120 g per minute. To obtain the same temperature change, the electrical supply is changed to 13 V and 1.2 A. Calculate the specific heat…
34. 3(c)(iii)3 marks· CAPE Physics Unit 1 · May/June 2023 · Paper 2State TWO advantages and ONE disadvantage of using the continuous flow method to determine the specific heat capacity of a liquid.
35. 3(c)(i)2 marks· CAPE Physics Unit 1 · May/June 2025 · Paper 2Define specific heat capacity.
36. 3(c)(ii)2 marks· CAPE Physics Unit 1 · May/June 2025 · Paper 2Define specific latent heat of fusion.
37. 3(e)(i)2 marks· CAPE Physics Unit 1 · May/June 2025 · Paper 2Calculate the heat gained by the ice from the punch in warming up to the melting point.
38. 3(e)(ii)2 marks· CAPE Physics Unit 1 · May/June 2025 · Paper 2Calculate the heat gained by the ice in changing phase from a solid to a liquid.
39. 3(f)(i)1 mark· CAPE Physics Unit 1 · May/June 2025 · Paper 2Write an expression for the heat gained by the melted ice in warming up to the final temperature, T.
40. 3(f)(ii)1 mark· CAPE Physics Unit 1 · May/June 2025 · Paper 2Write an expression for the total amount of heat lost by the punch.
41. 3(f)(iii)3 marks· CAPE Physics Unit 1 · May/June 2025 · Paper 2Hence, determine the final temperature, T, of the mixture.
42. 3(a)2 marks· Physics · Unit 1 Q3 3(a)Explain why the graph for the first 275 s is NOT a straight line.
43. 3(a)3 marks· Physics · Unit 1 Q3 3(a)Plot a graph of temperature versus time for the block on the grid provided on page 9.
44. 3(a)1 mark· Physics · Unit 1 Q3 3(a)Define the term 'specific latent heat of fusion' of a substance.
45. 3(a)(i)1 mark· Physics · Unit 1 Q3 3(a)(i)What is the melting point of sulphur?
46. 3(a)(ii)3 marks· Physics · Unit 1 Q3 3(a)(ii)Calculate the specific heat capacity of solid sulphur.
47. 3(a)(iii)2 marks· Physics · Unit 1 Q3 3(a)(iii)Calculate the specific latent heat of fusion of sulphur.
48. 3(b)4 marks· Physics · Unit 1 Q3 3(b)Calculate the value of the specific heat capacity given by this experiment TOGETHER with the uncertainty in the value.
49. 3(b)3 marks· Physics · Unit 1 Q3 3(b)The power of the heating element in the kettle is 1.6 kW. If the heat losses are ignored, what value would the data give for the specific heat capacity of water.
50. 3(b)5 marks· Physics · Unit 1 Q3 3(b)From your graph determine the specific heat capacity of aluminium.
51. 3(b)(i)2 marks· Physics · Unit 1 Q3 3(b)(i)What are the values of the melting point and boiling point of the substance?
52. 3(b)(i)2 marks· Physics · Unit 1 Q3 3(b)(i)State TWO sources of error that could occur in performing this experiment.
53. 3(b)(ii)4 marks· Physics · Unit 1 Q3 3(b)(ii)Calculate the gradient of the two linear regions of the graph labelled P and Q.
54. 3(b)(ii)2 marks· Physics · Unit 1 Q3 3(b)(ii)State TWO precautions that you would take to improve the accuracy of this experiment.
55. 3(b)(iii)2 marks· Physics · Unit 1 Q3 3(b)(iii)State, giving your reasoning, whether the specific heat capacity of the liquid is greater or smaller than that for the solid state.
56. 3(b)(iv)1 mark· Physics · Unit 1 Q3 3(b)(iv)Determine the change in internal energy of the gas.
57. 3(b)(iv)2 marks· Physics · Unit 1 Q3 3(b)(iv)Comment on the change in the internal energy of the gas.
58. 3(b)(iv)3 marks· Physics · Unit 1 Q3 3(b)(iv)Calculate the specific heat capacity of the substance in the liquid state.
59. 3(b)(v)3 marks· Physics · Unit 1 Q3 3(b)(v)Calculate the specific latent heat of fusion of the substance.
60. 3(c)2 marks· Physics · Unit 1 Q3 3(c)The accepted value for the specific heat capacity of water is 4 200 J kg^-1 K^-1. Suggest TWO ways of improving the accuracy of the value determined in (b) above.
61. 3(c)2 marks· Physics · Unit 1 Q3 3(c)Suggest TWO ways in which the systematic error in this experiment could be reduced.
62. 3(c)1 mark· Physics · Unit 1 Q3 3(c)What is the heat capacity of the block?
63. 3(d)3 marks· Physics · Unit 1 Q3 3(d)Describe how the specific latent heat of vaporization could be determined using this same apparatus.
64. 3(d)1 mark· Physics · Unit 1 Q3 3(d)Suggest how the experiment might be improved.
65. 3(e)1 mark· Physics · Unit 1 Q3 3(e)Define the internal energy of a gas.
66. 4(c)8 marks· Physics · Unit 1 Q4 4(c)Use this data to find the specific latent heat of the liquid, together with its uncertainty, and write the answer in the form L = (x ± y) x 10⁶ J kg⁻¹, using an appropriate number of significant figures.
67. 6(a)(i)2 marks· Physics · Unit 1 Q6 6(a)(i)Define the term 'Heat capacity' and state its units.
68. 6(a)(ii)2 marks· Physics · Unit 1 Q6 6(a)(ii)Define the term 'Specific heat capacity' and state its units.
69. 6(a)(iii)2 marks· Physics · Unit 1 Q6 6(a)(iii)Define the term 'Specific latent heat' and state its units.
70. 6(b)(i)6 marks· Physics · Unit 1 Q6 6(b)(i)Deduce a value for the specific heat capacity of water.
71. 6(b)(ii)1 mark· Physics · Unit 1 Q6 6(b)(ii)Suggest ONE reason why the power, when the rate of flow of water is 10.0 g s⁻¹, is NOT twice that needed when the rate of water is 5.0 g s⁻¹.
72. 6(b)(iii)1 mark· Physics · Unit 1 Q6 6(b)(iii)State ONE advantage of using a continuous flow method for measuring the specific heat capacity of water.
73. 6(c)4 marks· Physics · Unit 1 Q6 6(c)Determine how long it will take for the temperature of the room and its contents to increase by 3 °C.
74. 6(c)(ii)1 mark· Physics · Unit 1 Q6 6(c)(ii)When a steady state is finally reached, what is the reading on the outlet thermometer?
75. 6(c)(iii)1 mark· Physics · Unit 1 Q6 6(c)(iii)State ONE reason why it is NOT necessary to take into account the heat capacity of the apparatus itself.
76. 8(a)(i)4 marks· Physics · Unit 1 Q8 8(a)(i)List TWO factors which would affect the rate of evaporation of a liquid.
77. 8(a)(ii)1 mark· Physics · Unit 1 Q8 8(a)(ii)Explain the terms 'specific heat capacity' and 'specific latent heat' of fusion of a material.
78. 8(a)(ii)1 mark· Physics · Unit 1 Q8 8(a)(ii)Explain in terms of the kinetic theory why each of these factors affects the rate of evaporation.
79. 8(a)(iv)8 marks· Physics · Unit 1 Q8 8(a)(iv)Explain what is meant by the specific latent heat of vaporization of a substance.
80. 8(c)(i)5 marks· Physics · Unit 1 Q8 8(c)(i)Calculate the specific latent heat of fusion of the material.
81. 8(c)(i)1 mark· Physics · Unit 1 Q8 8(c)(i)What is the increase in internal energy?
82. 8(c)(ii)1 mark· Physics · Unit 1 Q8 8(c)(ii)Calculate the specific heat capacity of the material in the liquid phase.
83. 9(a)(i)3 marks· Physics · Unit 1 Q9 9(a)(i)Define heat capacity.
84. 9(a)(ii)1 mark· Physics · Unit 1 Q9 9(a)(ii)Define specific heat capacity.
85. 9(a)(iii)1 mark· Physics · Unit 1 Q9 9(a)(iii)Define specific latent heat of fusion.
86. 9(b)2 marks· Physics · Unit 1 Q9 9(b)With what physical change is EACH quantity defined in part (a) associated.
87. 9(b)(iii)1 mark· Physics · Unit 1 Q9 9(b)(iii)By HOW MUCH would the internal energy of the gas change?
88. 9(c)(i)6 marks· Physics · Unit 1 Q9 9(c)(i)Draw a diagram of an electrical circuit that is connected to the heater during the experiment.
89. 9(c)(ii)1 mark· Physics · Unit 1 Q9 9(c)(ii)Using the data in the table above, calculate the specific heat capacity of the block.
90. 9(d)(i)6 marks· Physics · Unit 1 Q9 9(d)(i)Calculate the time taken to heat the ice from -10 °C to 100 °C.
91. 9(d)(ii)1 mark· Physics · Unit 1 Q9 9(d)(ii)Calculate the time taken to vaporize all the water at 100 °C.
92. 9(e)3 marks· Physics · Unit 1 Q9 9(e)Draw a graph, with labelled axes, to show how the temperature varies with time throughout the entire heating process.