CAPE Physics Unit 2 · 2007 · Paper 1

42 multiple-choice items from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.

1. Q11 mark · multiple choiceAn electric field exists between charged parallel plates. Which graph shows how the electric field strength varies along the line OP?
2. Q21 mark · multiple choiceA unit equivalent to 1\text{ volt} is
3. Q31 mark · multiple choiceA circuit is set up as shown in the diagram. What happens to the readings on the ammeter and voltmeter if the resistance of the variable resistor is increased?
4. Q41 mark · multiple choiceA wire of diameter 1.0\text{ mm} is carrying a current of 1.5\text{ A}. The charge carriers are electrons and the net drift velocity of the electrons is 0.5\text{ mm s}^{-1}. The number of conduction electrons per…
5. Q51 mark · multiple choiceWhich of the following shows the I-V characteristic of a filament lamp?
6. Q61 mark · multiple choiceA cell of internal resistance r is connected to a load of resistance R. The efficiency of such an arrangement is found from the expression \frac{\text{energy dissipated in the load}}{\text{energy dissipated in…
7. Q71 mark · multiple choiceKirchoff's Laws are derived from the laws of conservation. On which conservation laws do they depend?
8. Q81 mark · multiple choiceIn the diagram below, a potential difference of 600\text{ V} is applied between two parallel metal plates, \text{X} and \text{Y}, 5\text{ mm} apart. What is the magnitude and direction of the electric field at…
9. Q91 mark · multiple choiceIn which resistor below is the GREATEST power dissipated?
10. Q101 mark · multiple choiceWhich arrangement of four similar capacitors has the HIGHEST effective capacitance?
11. Q111 mark · multiple choiceA wire, 1.00\text{ m} long and of uniform cross-sectional area 2.00\text{ mm}^2, has a resistance of 0.5\,\Omega. What is the resistivity of the wire material?
12. Q121 mark · multiple choiceThe force acting per unit current length is the
13. Q131 mark · multiple choiceTwo wires \text{X} and \text{Y}, each of the same length and material are connected in series to a battery. The diameter of \text{X} is twice that of \text{Y}. What fraction of the total potential difference is…
14. Q151 mark · multiple choiceThe diagram shows a piece of wire 0.5\text{ m} long moving with a speed of 3.0\text{ m s}^{-1} perpendicular to a magnetic field of field strength 1.5\text{ mT}. What is the e.m.f. induced across the ends of the…
15. Q161 mark · multiple choiceThe MAJORITY charge carriers in an n-type material are
16. Q171 mark · multiple choiceThe circuits below contain diodes, a cell, resistors and an ammeter. In which circuit will the ammeter register a current?
17. Q181 mark · multiple choiceA direct current (I) dissipates power in a resistor (R). A sinusoidal alternating current dissipates the same power in another resistor of one quarter the value. What is the r.m.s. value of the alternating current?
18. Q191 mark · multiple choiceAn ideal transformer has N_s turns in its secondary coil and N_p turns in its primary coil. The alternating voltages in the secondary and primary coils are V_s and V_p respectively and the alternating currents…
19. Q211 mark · multiple choiceThe potential divider in the figure above is formed from a light dependent resistor (LDR) and a resistor (R). The LDR has a resistance of 5\,000\,\Omega in the dark and 50\,\Omega in bright light. The potential…
20. Q221 mark · multiple choiceThe figure shows an op-amp used as a comparator. The open loop voltage gain of the op-amp is 3 \times 10^5 and the voltage of the power supply is \pm 6\text{ V}. The MINIMUM input voltage (V_i) which will cause…
21. Q231 mark · multiple choiceWhich of the following is NOT an advantage of using negative feedback in an op-amp?
22. Q241 mark · multiple choiceWhich diagram shows the circuit for a non-inverting amplifier?
23. Q251 mark · multiple choiceThe gain of the op-amp circuit in the diagram above is
24. Q261 mark · multiple choiceThe sinusoidal alternating voltage shown in Figure 2 is applied to the input of the op-amp shown in Figure 1. The voltage of the power supply is \pm 10\text{ V}. Which one of the following graphs correctly shows…
25. Q271 mark · multiple choiceThe circuit is equivalent to
26. Q291 mark · multiple choiceHow many inputs and outputs does a half adder have?
27. Q301 mark · multiple choiceChoose the response which will BEST complete the following statement. A flip-flop has two output states,
28. Q311 mark · multiple choiceWhich of the following phenomena led to the discovery of the particle nature of electromagnetic radiation?
29. Q321 mark · multiple choiceA T.V. station broadcasts at a rate 200\text{ kW} and frequency 200\text{ MHz}. How many photons are emitted every second?
30. Q331 mark · multiple choiceA work function of a metal is the
31. Q341 mark · multiple choiceThe maximum wavelength of electromagnetic radiation that causes emission of photoelectrons from a metal, X, is 600\text{ nm}. What is the work function of X?
32. Q351 mark · multiple choiceThe figure below shows an energy level diagram for a hydrogen atom. An electron moves from one energy state to another with the production of a photon of frequency 2.46 \times 10^{15}\text{ Hz}. Which energy…
33. Q361 mark · multiple choiceThis graph illustrates the x-ray spectrum from a given x-ray tube. What do X, Y and Z represent?
34. Q371 mark · multiple choicep is the momentum of a particle and \lambda is its wavelength. For which of the following graphs would the gradient be equal to the Planck's constant?
35. Q381 mark · multiple choiceThe results of the Geiger - Marsden \alpha-particle scattering experiment provides evidence for
36. Q391 mark · multiple choiceThe diagram shows the set up for a Millikan's oil drop experiment. A variable voltage, V, is applied between the plates \text{X} and \text{Y}, which are separated by a distance, d. The microscope is focussed on…
37. Q401 mark · multiple choiceThe diagram represents the relationship between binding energy per nucleon and mass number. W, X, Y and Z are different elements. Which of the following statements is true of nuclear stability?
38. Q411 mark · multiple choiceWhich of the following graphs shows the correct relationship between the energy evolved, E, and the mass converted, \Delta m, in a nuclear reaction?
39. Q421 mark · multiple choiceWhat is the energy equivalent of the atomic mass unit, \text{u}?
40. Q431 mark · multiple choiceAtoms undergo radioactive decay because
41. Q441 mark · multiple choiceThe diagram below shows the paths of two types of radioactive emissions, P and Q, in a uniform magnetic field, which is directed into the page. What are P and Q?
42. Q451 mark · multiple choiceA radioactive nuclide is represented by the symbol {}^{76}_{33}\text{P}. It decays into a nuclide of element Q by beta decay. Q then decays into a nuclide of element R by alpha decay and releases gamma radiation. What…