Physics · 5054 · Paper 4 variant 15054/41/O/N/23
Start0 of 40 marks·0 of 23 parts attempted — start anywhere
- 1(a)Describe how to put 1.0 cm³ of water into the dropping pipette.3 marks
- 1(b)(i)Determine an accurate time t; show working and suitable significant figures.2 marks
- 1(b)(ii)Show the measured distance and working.2 marks
- 1(c)(i)Identify two causes of uncertainty in this experiment.2 marks
- 1(c)(ii)Suggest one improvement to this experiment.1 mark
- 2(a)(i)Read the voltage and enter it in the first row of Table 2.1.1 mark
- 2(a)(ii)Use I=V/10 Ω, calculate 1/I for each row, and add units to the column headings.3 marks
- 2(b)(i)Start both axes at (0,0).2 marks
- 2(b)(ii)Draw a thin straight line of best fit through the points on the supplied graph grid; extend it to the y-axis.1 mark
- 2(b)(iii)Show your chosen points and working on the graph.2 marks
- 2(c)Use your gradient and intercept from (b)(iii) to calculate Rw in Ω; show working.1 mark
- 3(a)Draw a labelled arrangement to help your explanation.2 marks
- 3(b)(i)Measure x and y on this original scale drawing and record both in mm.1 mark
- 3(b)(ii)Using Fig. 3.3, use your measurements x and y from (b)(i) and the 1:5 drawing scale to calculate actual X and Y in metres, to the nearest mm.1 mark
- 3(b)(iii)Show working and answer in N.1 mark
- 3(c)Measure and record their smaller diameter d₁ and larger diameter d₂ in mm.1 mark
- 3(d)(i)On the supplied Fig. 3.5 graph, plot the two additional data points from Table 3.1: (diameter mm, area mm²) = (10, 90.0) and (12, 141.3).1 mark
- 3(d)(ii)On Fig. 3.5, draw the best-fit curve through the plotted data.1 mark
- 3(d)(iii)Show at least one working line from the curve to both axes.1 mark
- 3(e)(i)Using your F₂, A₁ and A₂, and F₁=3.0 N, calculate two values of k to suitable significant figures.2 marks
- 3(e)(ii)Explain whether the student’s claim is supported by your results.1 mark
- 3(f)Identify two variables to control so another laboratory using the same apparatus obtains similar indentation areas A₁ and A₂.2 marks