Physics · 5054 · Paper 4 variant 15054/41/M/J/23
Start0 of 40 marks·0 of 20 parts attempted — start anywhere
- 1(a)Record it in °C.1 mark
- 1(b)(i)Using θ₁ from Fig. 1.1, calculate θ₂ − θ₁.1 mark
- 1(b)(ii)Give two distinct actions.2 marks
- 1(b)(iii)Suggest why it is suitable for this experiment.1 mark
- 1(b)(iv)Give J/(g °C).1 mark
- 1(c)(i)Describe two distinct sources of error in this method of determining cₘ.2 marks
- 1(c)(ii)Suggest two distinct improvements to reduce errors in the method.2 marks
- 2(a)Draw a circuit diagram corresponding to the physical circuit in Fig. 2.1: battery, switch, fixed resistor, thermistor and voltmeter.3 marks
- 2(b)Read the voltmeter in Fig. 2.3 and record V_W in V.1 mark
- 2(c)Read the thermistor voltmeter in Fig. 2.5 and record V_C in V.1 mark
- 2(d)(i)State the unit.2 marks
- 2(d)(ii)Use ΔV_AV from (d)(i) to predict thermistor voltage V_PB at body temperature 37 °C.1 mark
- 2(d)(iii)State a conclusion supported by a calculation.2 marks
- 3(a)(i)Use it to record height h of the hanger bottom above the floor, in cm.1 mark
- 3(a)(ii)Describe one source of error when measuring h in Fig. 3.2 and one linked improvement to reduce that error.2 marks
- 3(b)(i)Determine an accurate average descent time t_av and show your working.2 marks
- 3(b)(ii)Add quantities and units to the headings.3 marks
- 3(c)Table 3.1 gives (m/g, t_av/s): (5.0,6.0), (7.0,4.2), (9.0,3.0), (11.0,2.6), (13.0,2.2).4 marks
- 3(d)Describe the relationship between average descent time t_av and mass m shown by Table 3.1/the graph, including how the rate of change behaves.2 marks