CAPE Physics Unit 1 · 2012 · Paper 2

42 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)6 marksDefine Displacement and state if it is a vector or scalar quantity.
2. 1(a)(ii)1 markDefine Instantaneous velocity and state if it is a vector or scalar quantity.
3. 1(a)(iii)1 markDefine Instantaneous acceleration and state if it is a vector or scalar quantity.
4. 1(a)(iv)1 markDefine Kinetic energy and state if it is a vector or scalar quantity.
5. 1(b)(i)2 marksRead off the coordinates of any TWO points from the graph of Figure 1.
6. 1(b)(ii)a)3 marksUse the coordinates from (i) to calculate the value of n.
7. 1(b)(ii)b)1 markUse the coordinates from (i) to calculate the value of x₀.
8. 1(b)(iii)3 marksGiven that t₀ = 5 s, determine the velocity of the particle when t = 30 s.
9. 2(a)1 markWrite an expression for the period of oscillation, T, of the mass-spring system.
10. 2(b)(i)5 marksOn the grid provided on page 7, plot a graph of amplitude of vibration, y, against frequency, f.
11. 2(b)(ii)a)2 marksFor the block oscillating at maximum amplitude, determine the angular frequency.
12. 2(b)(ii)b)1 markFor the block oscillating at maximum amplitude, determine the period of oscillation.
13. 2(c)3 marksCalculate the spring constant, k, for ONE of the springs.
14. 2(d)(i)2 marksOn your graph, draw a line to show the possible variation with frequency of the amplitude of the vibration of the combined mass.
15. 2(d)(ii)1 markBriefly describe ONE situation in which it is advantageous to use the phenomenon illustrated in this experiment.
16. 3(a)2 marksWrite an equation representing the First Law of Thermodynamics and state the meaning of EACH symbol used.
17. 3(b)(i)4 marksOn the grid provided on page 11, plot a graph of pressure, P, against volume, V.
18. 3(b)(ii)3 marksUse your graph to determine the work done by the gas during the expansion.
19. 3(b)(iii)3 marksWrite the ideal gas equation and use it to determine the number of moles of gas present.
20. 3(b)(iv)1 markDetermine the change in internal energy of the gas.
21. 3(b)(v)2 marksDetermine the heat supplied to the gas during the expansion.
22. 4(a)1 markState Newton's 2nd law of motion.
23. 4(b)(i)1 markDraw a free body diagram showing the forces acting on the rock.
24. 4(b)(ii)2 marksExplain what is meant by a 'viscous medium'.
25. 4(c)(i)10 marksCalculate the mass of the rock.
26. 4(c)(ii)1 markCalculate the buoyant force, F_b.
27. 4(c)(iii)1 markCalculate the initial acceleration of the rock.
28. 4(c)(iv)1 markCalculate the terminal velocity of the rock.
29. 4(d)2 marksSketch graphs to show how the (i) velocity and (ii) acceleration of the rock vary with time.
30. 5(a)(i)6 marksDifferentiate between the terms 'diffraction' and 'refraction'.
31. 5(a)(ii)1 markDescribe how the width of the aperture through which a wave is passing affects the diffraction of the wave.
32. 5(a)(iii)1 markExplain how a diffraction grating produces a spectrum.
33. 5(b)5 marksCalculate the wavelengths of the two colours.
34. 5(c)4 marksWith the aid of calculations, determine what would be observed at an angle of 54.8°.
35. 6(a)(i)6 marksDescribe how a physical property of a substance which varies with temperature may be used for the measurement of temperature on an empirical centigrade scale.
36. 6(a)(ii)1 markExplain how the absolute thermodynamic scale of temperature differs from that described above.
37. 6(a)(iii)1 markState ONE reason why mercury is still often used in thermometers.
38. 6(b)(i)3 marksDetermine the new temperature of the bath, as measured using the resistance thermometer.
39. 6(b)(ii)1 markSuggest ONE reason for the difference between this reading and the value calculated above in b (i).
40. 6(c)(i)6 marksCalculate the power developed by the heater.
41. 6(c)(ii)1 markWhen a steady state is finally reached, what is the reading on the outlet thermometer?
42. 6(c)(iii)1 markState ONE reason why it is NOT necessary to take into account the heat capacity of the apparatus itself.