CAPE Physics Unit 1 · 2017 · Paper 2

36 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)5 marksOn the grid provided in Figure 2 (page 7), plot a graph of velocity, v, versus time, t.
2. 1(b)3 marksBased on the graph, describe qualitatively, the motion of the block.
3. 1(c)(i)2 marksFrom the graph, determine the acceleration of the block when sliding down the plane.
4. 1(c)(ii)3 marksFrom the graph, determine the length of the incline.
5. 1(d)2 marksComment on the values of the velocity immediately before and after the collision. Give a reason for your answer.
6. 2(a)6 marksWith the aid of a labelled diagram, describe how the pieces of apparatus shown in Figure 3 can be used to disprove the theory of the particulate nature of light.
7. 2(b)4 marksWith the aid of an appropriate diagram, show that for Young's double slit experiment, y = λ D/a, where λ is the wavelength of the source, a is the slit separation, D is the distance between the slits and the screen, and…
8. 2(c)(i)3 marksCalculate the wavelength of the monochromatic light used in this experiment.
9. 2(c)(ii)2 marksOn a suitable sketch, indicate the intensity variation of the fringes from the central maximum to the fourth bright fringe.
10. 3(a)2 marksWrite an equation to represent the first law of thermodynamics. State the meaning of EACH symbol used.
11. 3(b)(i)4 marksOn the grid provided in Figure 4 (page 13), plot a graph of pressure, P, against volume, V.
12. 3(b)(ii)3 marksUse the graph, to determine the work done by the gas during expansion.
13. 3(b)(iii)2 marksUse the ideal gas equation to determine the number of moles of gas present.
14. 3(b)(iv)2 marksComment on the change in the internal energy of the gas.
15. 3(b)(v)2 marksDetermine the quantity of heat that is absorbed by the gas during expansion.
16. 4(a)(i)1 markState the SI base unit of volume.
17. 4(a)(ii)3 marksDetermine the base unit of C.
18. 4(b)(i)2 marksDefine the term 'work', stating an appropriate unit for its measurement.
19. 4(b)(ii)2 marksCalculate the component of the weight of the car down the slope.
20. 4(c)(i)2 marksShow that the deceleration of the car is 4.2 m s⁻² with the braking force applied.
21. 4(c)(ii)2 marksCalculate the distance the car travels from the time the braking force is applied until the car comes to rest.
22. 4(c)(iii)1 markCalculate the loss of kinetic energy of the car.
23. 4(c)(iv)1 markDetermine the work done by the resisting force of 4500 N in bringing the car to rest.
24. 4(c)(v)1 markExplain why the quantities in (c)(iii) and (c)(iv) are NOT equal.
25. 5(a)(i)2 marksDistinguish between the terms 'threshold of hearing' and 'threshold of pain' when applied to the intensity of sound.
26. 5(a)(ii)2 marksWhat TWO properties of the human ear makes the decibel (dB) scale particularly useful?
27. 5(a)(iii)6 marksDetermine the intensity of such a sound in W m⁻².
28. 5(b)(i)2 marksExplain why there are positions between the speaker and the wall where intensity is a minimum, and why these minima do NOT actually have zero intensity.
29. 5(b)(ii)3 marksDetermine the frequency setting of the signal generator.
30. 6(a)(i)2 marksDefine the term 'Heat capacity' and state its units.
31. 6(a)(ii)2 marksDefine the term 'Specific heat capacity' and state its units.
32. 6(a)(iii)2 marksDefine the term 'Specific latent heat' and state its units.
33. 6(b)(i)6 marksDeduce a value for the specific heat capacity of water.
34. 6(b)(ii)1 markSuggest ONE reason why the power, when the rate of flow of water is 10.0 g s⁻¹, is NOT twice that needed when the rate of water is 5.0 g s⁻¹.
35. 6(b)(iii)1 markState ONE advantage of using a continuous flow method for measuring the specific heat capacity of water.
36. 6(b)(iv)1 markSuggest a type of thermometer that can be used in the experiment in Part (b).