CSEC Physics · January 2016 · 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)7 marksOn the grid provided on page 5, plot the graph of velocity against time.
2. 1(b)(i)4 marksUse the graph to determine The acceleration during the interval AB
3. 1(b)(ii)1 markUse the graph to determine The velocity of the motorcar after 70 seconds (with the aid of dotted lines)
4. 1(b)(iii)9 marksUse the graph to determine The total distance travelled over the 80 second period
5. 1(c)1 markFrom your graph, describe the velocity of the vehicle over the period BC.
6. 1(d)3 marksDefine the term 'velocity'.
7. 2(a)2 marksComplete the graphic below by drawing an arrow from each physical quantity to its respective unit.
8. 2(b)(i)1 markComplete the following statements. Kinetic energy is defined as
9. 2(b)(ii)1 markComplete the following statements. The potential energy of a body is defined as
10. 2(b)(iii)1 markComplete the following statements. The formula for the change in gravitational potential energy is
11. 2(b)(iv)2 marksWaterfalls are commonly found across the Caribbean. Describe the energy changes taking place in a waterfall.
12. 2(c)(i)1 markState the type of energy that exists at A
13. 2(c)(ii)1 markState the type of energy that exists at B
14. 2(c)(iii)1 markState the type of energy that exists at C
15. 2(c)(iv)2 marksIf the pendulum is returning to A to complete an oscillation, explain which type of energy is increasing and why. At D, the type of energy increasing is
16. 2(d)3 marksIf a netball has a mass of 0.4 kg and a velocity of 5 m s⁻¹, calculate its kinetic energy.
17. 3(a)3 marksComplete the table by inserting the appropriate information.
18. 3(b)4 marksDefine the upper and lower fixed points on the Celsius temperature scale and state their respective values on that scale.
19. 3(c)(i)3 marksComplete Table 3 by converting the temperatures to Kelvin.
20. 3(c)(ii)5 marksIs the 'Pressure Law' supported by this set of data? Explain.
21. 4(a)(i)3 marksState the other law.
22. 4(a)(ii)3 marksState THREE properties of the image in a plane mirror.
23. 4(b)(i)2 marksCalculate the image distance of the car as seen by the truck driver.
24. 4(b)(ii)2 marksState a reason why the sign shown in Figure 4 is more likely to be posted at the back of a truck rather than a car.
25. 4(c)(i)4 marksIf the refractive index of the material is 1.3, calculate the angle of refraction in the material given that the angle of incidence is 30°.
26. 4(c)(ii)1 markIf the refractive index of the material increased, why would the lateral displacement of the ray increase also?
27. 5(a)(i)2 marksWith reference to the focal lengh of the lens, describe the object distance required to produce EACH type of image.
28. 5(a)(ii)2 marksState the orientation of EACH image so produced.
29. 5(a)(iii)2 marksComplete the ray diagram shown in Figure 6.
30. 5(b)(i)3 marksCalculate the magnification where a lens produces an image height of 3.6 mm for an object 2.4 mm in height.
31. 5(b)(ii)3 marksFor the same magnification, calculate the image distance given that the object distance is 20 cm.
32. 5(b)(iii)3 marksCalculate the focal length of this lens.
33. 6(a)6 marksWrite a description of this circuit in the space provided.
34. 6(b)(i)2 markscalculate the equivalent resistance across BC.
35. 6(b)(ii)4 marksCalculate the current flowing in the closed circuit.
36. 6(b)(iii)3 marksWhen the current in (b) (ii) flows, what is the power dissipated in the 3Ω resistor?