CSEC Physics · May/June 2013 · 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)7 marksPlot, on page 3, a graph of length (L) on the vertical axis versus Load (F). Start each axis at zero.
2. 1(b)4 marksDetermine the gradient of the graph.
3. 1(c)1 markWhat information about the spring does the gradient of the graph provide?
4. 1(d)(i)2 marksUse the graph to find the original length of the spring.
5. 1(d)(ii)6 marksUse the gradient to calculate the extension of the spring if a 0.7 kg mass hangs freely from the end of the spring. Hence calculate the length of the spring with the mass attached. [g = 10 N kg⁻¹]
6. 1(d)(iii)1 markIf the spring was stretched beyond its elastic limit how would this affect the shape of the graph?
7. 1(e)(i)2 marksHow would you identify the region where proportionality exists?
8. 1(e)(ii)2 marksClassify EACH quantity shown in Table 2, as a scalar or vector by inserting a tick (✔) in the appropriate column.
9. 2(a)(i)2 marksDefine the term 'specific heat capacity' of an object.
10. 2(a)(ii)2 marksComplete Table 3 below by inserting the correct symbol and SI Unit which relate to the quantity shown in Column 1.
11. 2(a)(iii)3 marksWrite the formula for the General Gas Law, stating clearly what each letter represents.
12. 2(b)(i)3 marksCalculate the energy required to heat the water to 100 °C.
13. 2(b)(ii)3 marksCalculate the energy required to convert the water to steam at 100 °C.
14. 2(b)(iii)2 marksWhat is the total energy, in mega joules, required to heat the 8 kg of water at 33 °C to steam at 100 °C? [Specific heat capacity of water = 4 200 J kg⁻¹K⁻¹] [Specific latent heat of vaporization of water = 2 300 000 J…
15. 3(a)(i)3 marksState Snell's Law.
16. 3(a)(ii)4 marksIn the space below, draw a labelled diagram using the converging lens to show clearly the following features: Principal axis, Principal focus, Focal length, Focal plane.
17. 3(b)(i)7 marksDescribe the path into a prism and out of a prism when a ray of light is incident at 90° to the hypotenuse of a right-angled glass prism as shown in Figure 1.
18. 3(b)(ii)1 markThrough what angle would the ray be turned after emerging? [Critical angle for glass = 42° ]
19. 4(a)(i)3 marksState the law of conservation of linear momentum.
20. 4(a)(ii)3 marksDescribe a situation that demonstrates the law of conservation of linear momentum.
21. 4(b)(i)9 marksWhat was the initial momentum of the truck?
22. 4(b)(ii)9 marksWhat was the initial momentum of the car?
23. 4(b)(iii)9 marksAssuming the car and truck move as one following the collision, what is the speed and direction of the wreck right after the collision?
24. 5(a)6 marksDescribe an experiment that can be used to determine the resistance of a metallic conductor.
25. 5(b)(i)3 marksCalculate the total resistance in the circuit.
26. 5(b)(ii)3 marksCalculate the current drawn from the 12V battery.
27. 5(b)(iii)3 marksCalculate the voltage across R₂.
28. 6(a)6 marksDescribe an experiment to compare the ranges of β and γ emissions in aluminium.
29. 6(b)(i)5 marksRewrite the nuclear sequence to show how thorium-232 becomes uranium-233, a nuclear fuel, by calculating the numerical values of x, y, u, v, and z.
30. 6(b)(ii)4 marksCalculate the energy released in the fission of ²³³U. c = 3.0 × 10⁸ m s⁻¹