CAPE Physics Unit 2 · 2016 · Paper 1

37 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 choiceThe electromotive force (e.m.f.) of a battery is 12\text{ V}. What is the charge passing if 36\text{ joules} of energy is delivered?
2. Q21 mark · multiple choiceA light bulb uses a 3\text{ V} supply and takes a current of 0.2\text{ A}. It is switched on for one minute. How much electrical energy is used?
3. Q31 mark · multiple choiceThe unit for resistivity is
4. Q41 mark · multiple choiceThe equivalent capacitance, C, due to C_1, C_2 and C_3 is
5. Q51 mark · multiple choiceThe current flowing through the 6\ \Omega resistor is
6. Q61 mark · multiple choiceAsh from factory chimneys is trapped by the charged metal plates inside the chimney walls. The phenomenon that describes the attraction is known as
7. Q81 mark · multiple choiceWhich of the following materials does the I\text{–}V graph BEST represent?
8. Q101 mark · multiple choiceWhich of the following diagrams BEST describes the path of an electron travelling through an electric field?
9. Q111 mark · multiple choiceIn the circuit above, a 9\text{ V} battery is used to charge the 6\ \mu\text{F} capacitor by connecting the switch to S. The energy stored in the 6\ \mu\text{F} capacitor when fully charged is
10. Q121 mark · multiple choiceThe magnetic flux density at Point A is
11. Q151 mark · multiple choiceOne of its poles lies within a short cylindrical coil as shown. The magnet is displaced slightly so that one pole of the magnet oscillates within the coil. Which of the following graphs illustrates how the…
12. Q161 mark · multiple choiceWhich of the following equations represents an alternating voltage?
13. Q171 mark · multiple choiceThe peak potential difference of a certain a.c. supply is 24\text{ V}. What is the root mean square (r.m.s.) value?
14. Q191 mark · multiple choiceThe potential divider in the diagram is formed from a light dependent resistor (LDR) and a resistor (R). The LDR has a resistance of 5000\ \Omega in the dark and 50\ \Omega in bright light. The potential at A…
15. Q201 mark · multiple choiceAn example of an INPUT transducer is a
16. Q211 mark · multiple choiceWhich of the following gain–frequency graphs BEST represents that of an ideal operational amplifier?
17. Q221 mark · multiple choiceThe gain of the op-amp is 10^4. If the input voltage, V_{\text{in}}, is 10\ \mu\text{V}, what is the MAXIMUM output voltage?
18. Q241 mark · multiple choiceAn operational amplifier circuit has a gain of 10^5 and a bandwidth of 10^3\text{ Hz}. What is the approximate bandwidth when the gain is reduced to 10?
19. Q251 mark · multiple choiceThe values for the resistors may be changed. Which of the following pairs of values for R_1 and R_2 would give the amplifier the LARGEST bandwidth?
20. Q261 mark · multiple choiceWhat is the output voltage, V_{\text{out}}, of the op-amp in terms of V_1, V_2 and V_3?
21. Q271 mark · multiple choiceThe single gate this network represents is
22. Q281 mark · multiple choiceThe electrical circuit can be regarded as a logic gate. Which type of logic gate is represented? (Consider A and B as inputs and Q as the output.)
23. Q301 mark · multiple choiceWhich of the following pulse trains represents the output pulse from the OR gate?
24. Q311 mark · multiple choiceWhat is the energy of a photon of frequency 7.0 \times 10^{14}\text{ Hz}?
25. Q331 mark · multiple choiceThe kinetic energy of a photoelectron is given as 7\text{ eV}. The velocity of the electron is
26. Q341 mark · multiple choiceWhat is the linear absorption coefficient of a material of thickness 10\text{ cm} that reduces the incident X-ray intensity to half of its original value?
27. Q351 mark · multiple choiceAn atom makes a transition from an energy state, E_2, to a lower energy state, E_1. Which of the following expressions gives the frequency of radiation emitted in terms of Planck's constant, h?
28. Q361 mark · multiple choiceWhich of the following statement(s) is/are true about the wave-particle duality? I. The photoelectric effect is evidence that electromagnetic radiation has a particulate nature. II. Interference is evidence that…
29. Q371 mark · multiple choiceAn isotope of radium is represented by ^{224}_{88}\text{Ra}. Which row in the table correctly describes a neutral atom of this isotope?
30. Q381 mark · multiple choiceWhich of the following statements about the behaviour of the oil drops during the experiment is correct?
31. Q391 mark · multiple choiceMillikan's oil drop experiment provides evidence for the
32. Q401 mark · multiple choiceThe mass of a nucleus is always less than the total mass of its constituent nucleons. This difference in mass is usually released as energy in the form of
33. Q411 mark · multiple choiceThe mass defect for the nucleus of helium-4 is 0.0303\text{ u}. What is the binding energy per nucleon for helium-4?
34. Q421 mark · multiple choiceThe sum of the masses of the constituent nucleons is different from the mass of the corresponding nucleus. This difference is called the
35. Q431 mark · multiple choiceRadioactive decay is the
36. Q441 mark · multiple choiceUranium-238, ^{238}_{92}\text{U} decays by one alpha particle and one beta particle. What is the resulting nuclide?
37. Q451 mark · multiple choiceIn medicine, radioactive isotopes are often used as tracers to help in locating blockages in the human body. Which of the following isotopes would be MOST suitable for such an application?