CAPE Physics Unit 1 · 2019 · Paper 2

30 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 marksWrite an expression for the horizontal distance travelled.
2. 1(a)(ii)3 marksWrite an expression for the vertical distance travelled.
3. 1(a)(iii)5 marksCombine the expressions in (a)(i) and (a)(ii) to obtain an equation for the trajectory and hence deduce that the motion is parabolic.
4. 1(b)(i)2 marksComplete Column 3 in Table 1.
5. 1(b)(ii)4 marksOn the grid provided in Figure 2 on page 9, plot a graph of H versus sin²θ. Draw the line of best fit through the points.
6. 1(b)(iii)3 marksDetermine the gradient of the graph in (b)(ii).
7. 1(b)(iv)3 marksHence, calculate the initial velocity of the projectile.
8. 1(c)5 marksDetermine the height of the object.
9. 1(d)3 marksSketch a velocity-time graph of its motion.
10. 2(a)(i)1 markIdentify the grandmother's eye defect.
11. 2(a)(ii)1 markName the type of lens that could be used to correct the eye defect identified in (a)(i).
12. 2(b)(i)2 marksSketch a diagram of the eye clearly showing how the grandmother's eye forms the image without her corrective lens.
13. 2(b)(ii)2 marksSketch a diagram of the eye clearly showing how the grandmother's eye forms the image with her corrective lens.
14. 2(c)5 marksCalculate the power of the lens needed to correct her eye defect.
15. 2(d)8 marksBy scale drawing, determine the image height and image distance.
16. 2(e)2 marksWith the aid of a diagram, show how an image is formed in a simple camera.
17. 2(f)(i)2 marksDefine the term 'refraction'.
18. 2(f)(ii)5 marksDetermine, by calculation, whether the ray will pass through PR.
19. 2(f)(iii)2 marksOn the diagram in Figure 3, draw the passage of the ray of light through the glass prism.
20. 3(a)4 marksOn the grid provided in Figure 4 on page 19, plot the calibration curve (emf vs temperature) for the thermocouple. Draw the line of best fit through the points.
21. 3(b)(i)1 markUsing the calibration curve plotted in (a), determine the temperatures when the thermocouple reads 51.0 mV.
22. 3(b)(ii)1 markWith reference to the answer in (b)(i) and the calibration curve plotted in (a), state why this thermocouple is NOT the best option for use as a thermometer.
23. 3(c)4 marksState TWO advantages of a thermocouple and give TWO corresponding situations where it will be the best choice of thermometer.
24. 3(d)(i)4 marksUsing the information given in Table 3 on page 20, sketch a P-V graph of the gas engine cycle, clearly labelling EACH stage and its corresponding pressure and volume.
25. 3(d)(ii)3 marksCalculate the initial temperature of the gas (Stage A).
26. 3(d)(iii)3 marksDetermine the heat energy supplied to the gas in going from Stage A to Stage B.
27. 3(e)1 markDefine the internal energy of a gas.
28. 3(f)4 marksState the first law of thermodynamics, clearly defining EACH term.
29. 3(g)2 marksWith reference to the first law of thermodynamics, calculate the change in internal energy of the gas in the engine as it goes from Stage B to Stage C.
30. 3(h)3 marksState what happens to the volume, temperature and pressure of the gas in this process.