CAPE Physics Unit 1 · May/June 2024 · Paper 2

34 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.

1. 1(a)(i)2 marksDefine displacement.
2. 1(a)(ii)1 markDefine acceleration.
3. 1(b)3 marksPlot a graph of velocity, v, versus time, t, using the axes in Figure 1. Draw the best smooth curve through the points.
4. 1(c)(i)4 marksDetermine the instantaneous acceleration of the balloon after 1.5 s.
5. 1(c)(ii)1 markDetermine the total distance travelled by the balloon.
6. 1(d)(i)3 marksCalculate the vertical component of the ball's velocity.
7. 1(d)(ii)3 marksCalculate the horizontal component of the ball's velocity.
8. 1(d)(iii)3 marksCalculate the time, t, for the football to reach the maximum height, H.
9. 1(d)(iv)3 marksCalculate the maximum height reached by the football.
10. 1(e)7 marksFind the equation of the trajectory, y as a function of x, to show that the motion of the football is parabolic.
11. 2(a)(i)2 marksDefine depth of focus.
12. 2(a)(ii)2 marksDefine accommodation.
13. 2(a)(iii)2 marksDefine astigmatism.
14. 2(b)5 marksUse annotated optical sketches to explain how short-sightedness occurs AND how the defect can be corrected.
15. 2(c)(i)3 marksShow that the gradient of the graph in Figure 3 is equal to the focal length, f, of the converging lens.
16. 2(c)(ii)2 marksFrom the graph in Figure 3, determine a value for the focal length of the converging lens used.
17. 2(c)(iii)2 marksDetermine the power of the converging lens used in the experiment.
18. 2(d)(i)2 marksState, in words, Snell's law.
19. 2(d)(ii)2 marksExplain how total internal reflection occurs.
20. 2(e)(i)3 marksCalculate the critical angle at the glass/liquid interface.
21. 2(e)(ii)1 markCalculate the angle of emergence of the ray from the cube.
22. 2(f)4 marksDescribe a simple experiment a teenager can perform to determine if the frequency response of his right ear is different from that of his left ear.
23. 3(a)3 marksWrite the equation of state for an ideal gas, stating the meaning of EACH symbol.
24. 3(b)(i)1 markComplete Column 3 of Table 2 by calculating the volume of gas, V/mm³.
25. 3(b)(ii)4 marksOn the grid provided in Figure 5, plot a graph of volume of gas, V, versus temperature, t, using scales ranging from -325 °C to +100 °C on the temperature axis and 0 mm³ to 1000 mm³ on the volume axis.
26. 3(b)(iii)2 marksFrom the graph in 3(b)(ii), determine the temperature at which the volume is 0 mm³.
27. 3(b)(iv)2 marksState whether it is possible to achieve a state of zero volume for the gas if it is cooled sufficiently. Justify your response.
28. 3(b)(v)2 marksState the gas law which explains the observations in this experiment.
29. 3(c)3 marksThe first law of thermodynamics is given by ΔU = Q + W. Explain the meaning of EACH symbol when applied to the heating of a fixed mass of gas.
30. 3(d)(i)2 marksCalculate the work done during the cycle.
31. 3(d)(ii)3 marksCalculate the temperature, T₂, at State 2.
32. 3(d)(iii)4 marksCalculate the energy added as heat during the process from State 1 to State 2.
33. 3(d)(iv)2 marksDerive an expression for Cₚ for the gas in terms of R.
34. 3(d)(v)2 marksState TWO reasons why the cycle in Figure 6 is NOT 100% efficient.