CSEC Physics · 1996 · Paper 2

28 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)1 markState the reading shown on the micrometer in Figure 1.
2. 1(a)(ii)1 markExpress this reading in metres using standard scientific form.
3. 1(a)(iii)2 marksFind the volume of ONE marble.
4. 1(a)(iv)2 marksIf the only available balance is calibrated to measure to the nearest gram, suggest a method that students could use to accurately find the mass of ONE marble.
5. 1(a)(v)1 markThe mass of one marble was found to be 1.1 g. Express this mass in kilograms.
6. 1(a)(vi)2 marksCalculate the density of the glass used to make the marbles.
7. 1(b)(i)2 marksEstimate the area of the heel of her shoe.
8. 1(b)(ii)3 marksThe girl's mass is 45 kg. What pressure does she exert on the ground when she is standing on one heel? (g = 10 N kg⁻¹)
9. 2(a)(i)1 markDefine the term acceleration.
10. 2(a)(ii)1 markExplain why the object accelerates.
11. 2(a)(iii)2 marksWhy is the acceleration of free fall the same for all objects at the same place, if air resistance is negligible?
12. 2(b)(i)3 marksExplain how the apparatus works.
13. 2(b)(ii)4 marksUsing this apparatus, a student obtains a value of 0.490 s for t, when h is 1.16 m. Calculate the average speed of the ball during the fall. Hence, calculate the final speed of the ball just before its impact with the…
14. 2(b)(iii)4 marksSketch the velocity-time graph for the motion of the ball on the axes provided. Using the graph, or otherwise, calculate the acceleration of the ball during its fall.
15. 3(a)1 markComplete the diagram to show the correct number of electrons in the outer shell of the atom.
16. 3(a)(i)1 markState the name of the other particles in the nucleus.
17. 3(a)(ii)2 marksThe nuclide can be represented by the symbol ^A_Z C. State what A is known as and give its value.
18. 3(a)(iii)2 marksState what Z is known as and give its value.
19. 3(b)(i)2.5 marksOn Figure 5, draw the decay curve for 4 g of carbon-14. Label the graph clearly.
20. 3(b)(ii)2.5 marksOn Figure 5, draw the decay curve for 4 g of carbon-15. Label the graph clearly.
21. 3(c)(i)1 markCalculate the difference in mass between nuclei of carbon-14 and nitrogen-14.
22. 3(c)(ii)3 marksDetermine the energy released when one carbon-14 nucleus decays. (c = 3.00 × 10⁸ m s⁻¹)
23. 4(a)(i)3 marksDraw a circuit diagram to represent this arrangement of components.
24. 4(a)(ii)1 markExplain why it is necessary for the voltmeter to have a high resistance.
25. 4(a)(iii)5 marksComplete Table 2 to show how the meter readings change when the sliding contact on the rheostat is moved from end X to the other end Y.
26. 4(b)(i)3 marksFind the resistance of the resistance wire.
27. 4(b)(ii)2 marksFind the resistance of the lamp when the current flowing is 0.20 A.
28. 4(b)(iii)2 marksThe lamp, resistance wire and a battery are now connected in series. If the current in the circuit is 0.20 A, determine the total potential difference across the lamp and resistance wire.