plumiSpecific thermal capacity: OCR A‑Level Physics B questions
OCR A-Level Physics B past-paper questions on 5.2.1.1 Specific thermal capacity, 2016–2025, with mark schemes and examiner’s reports where available.
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Q35(a)
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All 17 questions on Specific thermal capacity, as a list
- June 2025, Paper 1, Q35(a) (3 marks): Calculate the maximum temperature increase in one of the germanium crystals caused by a 1200 MeV neutrino. temperature increase = K [3]
- June 2025, Paper 1, Q35(b) (1 mark): The graph shows how the specific thermal capacity of germanium varies with temperature. Specific thermal capacity 0 Temperature / K Suggest a reason for operati
- June 2024, Paper 1, Q6 (1 mark): The area surrounding a waterfall is at a constant temperature. The water falls 100 m to the lake below. The specific thermal heat capacity of water is 4200 J kg
- June 2024, Paper 3, Q1(a) (1 mark): Suggest a practical technique to improve the thermal connection between the thermometer and the block. [1]
- June 2024, Paper 3, Q1(c)(i) (2 marks): Show that: The gradient of the graph in Fig. 1.2 = P mc ; where P = power input, m = mass of the block and c = experimentally-determined value of specific therm
- June 2024, Paper 3, Q1(c)(ii) (4 marks): The potential difference across the heater is set at 9.6 V ± 2%. The current is 3.76 A ± 0.9%. Using these values and the value calculated in part (b)(iii), det
- June 2024, Paper 3, Q1(d) (2 marks): The textbook value for the specific thermal capacity for aluminium is 900 J kg–1 K–1. Compare this value with your calculated value and explain the main reason
- June 2023, Paper 1, Q3 (1 mark): A mass of 0.5 kg of water at 25 °C is placed in a microwave oven and heated for 30 s. The final temperature of the water is 30 °C. What is the rate of energy tr
- November 2021, Paper 2, Q3(a) (2 marks): Use the data below to calculate the power per square metre of the radiation incident on the block. You may assume that all the energy incident on the face is re
- November 2020, Paper 1, Q15 (1 mark): An outdoor swimming pool contains 100 m3 of water and must be heated by 12 °C. specific heat capacity for water = 4200 J kg−1 K−1 Which is the best estimate of
- November 2020, Paper 3, Q1(a) (2 marks): Suggest an improvement, with a reason, to the experimental design. [2]
- November 2020, Paper 3, Q1(c)(i) (2 marks): Explain the shape of the graph in Fig. 1.2. [2]
- November 2020, Paper 3, Q1(c)(iii) (2 marks): Show that the relationship between the gradient of the linear section and the specific thermal capacity, c, takes the form gradient = Z c where Z is a constant.
- November 2020, Paper 3, Q1(c)(iv) (3 marks): Use the linear part of Fig. 1.2 to find the specific thermal capacity of the liquid. c = J kg–1 K–1 [3]
- June 2018, Paper 1, Q15 (1 mark): A liquid flows through a tube containing an electrical heater with a constant voltage. At a steady state of flow, the liquid leaves the tube at temperature ∆θ h
- June 2017, Paper 1, Q33(a)(i) (2 marks): Calculate the thermal energy used to increase the temperature of 1 kg of the water. Specific thermal capacity of water = 4200 J kg–1 K–1 energy = kJ [2]
- June 2017, Paper 1, Q33(b) (2 marks): In winter the inlet water temperature drops to 5 °C, but the final temperature remains at 39 °C. State and explain the change to the water flow rate for this sh
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