CAPE Physics Unit 1 · 2007 · Paper 1

41 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 choiceWhich S.I. unit could be used to express the power of a light bulb?
2. Q21 mark · multiple choiceCoplanar forces with magnitudes 7\text{ N}, 24\text{ N} and X are in equilibrium. What is the value of X?
3. Q31 mark · multiple choiceWhich of the following graphs applies to a body in motion but with zero acceleration?
4. Q41 mark · multiple choiceA body of constant mass will have uniform acceleration if the resultant force acting on it
5. Q51 mark · multiple choiceA body moves in a circle of radius r with centripetal acceleration, a. Its velocity is v, and angular frequency is \omega. Which of the following equations for a are correct? I. a = \frac{v^2}{r} II.…
6. Q61 mark · multiple choiceA constant force acts on a mass m, which is initially at rest. The velocity acquired for a given displacement is proportional to
7. Q71 mark · multiple choiceA racing car is moving round a circular track at a constant speed of 60\text{ m s}^{-1}. The radius of the track is 500\text{ m}. What is the ratio of the centripetal force to the weight of the car?
8. Q81 mark · multiple choiceA body of 2.5\text{ kg} initially at rest is acted on by a net force directed along the x-axis which varies as shown in the graph below. The magnitude of the momentum obtained would be
9. Q91 mark · multiple choiceWhich velocity-time graph BEST represents the motion of a falling spherical body from rest through glycerine?
10. Q101 mark · multiple choiceTwo parallel forces act on a rigid body as shown in the diagram above. The size of the torque on the body by these forces is
11. Q111 mark · multiple choiceA parachutist of mass 80\text{ kg} descends vertically at a constant velocity of 3.0\text{ m s}^{-1}. What is the resultant downward force acting on her?
12. Q121 mark · multiple choiceA stone is thrown from A to D. The stone follows a parabolic path such that the highest point reached is B. C is a point just before it lands at D. The vertical component of acceleration of the stone is
13. Q131 mark · multiple choiceA slingshot is a child's toy that converts the strain energy of the stretched material into the moving energy of the propelled object. A boy pulls on his slingshot with a force of 20\text{ N} and it extends by…
14. Q141 mark · multiple choiceThe true value of a quantity is x_0. This quantity is measured a large number of times and the number n, of particular values of x, is plotted against x. Which graph below represents measurements of poor…
15. Q151 mark · multiple choiceTwo spheres, one of mass m and the other of mass \frac{m}{2} are moving towards each other with velocity, v. The spheres have an elastic collision. Which one of the following statements is correct?
16. Q161 mark · multiple choiceWhat is the phase difference between the oscillations?
17. Q171 mark · multiple choiceThe frequency of the vibrator is 50\text{ Hz}. What is the speed of the wave?
18. Q181 mark · multiple choiceWhich of the following observations indicates that sound waves are longitudinal?
19. Q191 mark · multiple choiceFor a particle oscillating with simple harmonic motion in a vertical plane, which of the following statements is NOT true?
20. Q201 mark · multiple choiceA Young's double-slit experiment is performed with white light incident on the slits. The first bright fringe after the central maximum is a
21. Q211 mark · multiple choiceWhich of the following can correct the condition known as long sight?
22. Q221 mark · multiple choiceTwo sources of sound, X and Y, that are in phase are positioned as shown in the diagram. They both produce waves with wavelength 2\text{ m} and amplitude A. What would be the amplitude of the sound observed at point…
23. Q231 mark · multiple choiceA sound wave of intensity I_1 has an amplitude of 30\text{ mm}. Another wave of the same frequency but of intensity I_2 has an amplitude of 10\text{ mm}. What is the value of \frac{I_1}{I_2}?
24. Q241 mark · multiple choiceAn air column in a tube which is closed at one end vibrates in its fundamental mode. The amplitude of the vibrations of the air can be represented in magnitude and direction at various points by arrows with a dot…
25. Q251 mark · multiple choiceWhich of the following is NOT a condition necessary for two-source destructive interference of sound waves to be observed?
26. Q271 mark · multiple choiceA motorbike emits an 80\text{ dB} noise. The intensity of the sound from the motorbike is
27. Q281 mark · multiple choiceA particle oscillates so that its displacement x from a fixed point is related to time t by the equation x = 3 \sin(5\pi t). If x is measured in \text{cm} and t is measured in \text{s}, we can deduce…
28. Q291 mark · multiple choiceA pendulum swings freely with a period of 1.0\text{ s} on the earth's surface where acceleration due to gravity is g. If the pendulum were to swing in another place where acceleration due to gravity is g', what…
29. Q301 mark · multiple choiceWhich of the following statements are TRUE about resonance? I. It occurs at the highest frequency of the oscillating system. II. It causes a significant increase in the amplitude of oscillation. III. It occurs when the…
30. Q321 mark · multiple choiceA spherical blackbody of surface area A is at an absolute temperature T_1. It is suspended at the centre of a container whose walls are at temperature T_2. The NET rate of loss of heat by radiation from the body…
31. Q331 mark · multiple choiceWhat is the unit of heat capacity?
32. Q341 mark · multiple choice16 \times 10^{-3}\text{ m}^3 of a gas at a pressure of 1750\text{ kPa} is contained in a cylinder. The gas is expanded at constant pressure until the volume becomes 140 \times 10^{-3}\text{ m}^3. How much work is…
33. Q351 mark · multiple choiceAn adult at rest has a blood pressure of 130/85. This is measured in \text{mm} of mercury. What would this reading be in \text{Pa}? (Density of mercury = 13600\text{ kg m}^{-3}.)
34. Q371 mark · multiple choiceA double layer glass wall has a layer of air trapped between it as shown in the diagram below. Which method of heat transfer is SIGNIFICANTLY reduced by the air layer?
35. Q381 mark · multiple choiceWhich of the following is NOT an assumption used in the Kinetic Theory of gases?
36. Q391 mark · multiple choiceIn which of the following graphs does the shaded area show the energy lost during the loading and unloading process of a polymeric material?
37. Q401 mark · multiple choiceThe average kinetic energy per molecule of a sample of argon gas is 8 \times 10^{-21}\text{ J}. What is the temperature of the gas?
38. Q421 mark · multiple choiceCalculate the volume occupied by one atom of copper if it has a molar mass of 0.0635\text{ kg} and a density of 8920\text{ kg m}^{-3}.
39. Q431 mark · multiple choiceThe diagram above shows a U-tube containing two immiscible liquids. Which statement about the arrangement is TRUE?
40. Q441 mark · multiple choiceAn alloy is made of a mixture of two metals. Metal A has a density of 8900\text{ kg m}^{-3} and Metal B has a density of 7800\text{ kg m}^{-3}. What is the density of the alloy if Metal A has three times the volume…
41. Q451 mark · multiple choiceA spring with spring constant k, has an extension x, when a mass m, is attached to it. Another spring identical to the first is hung parallel to the first and the same mass m is hung across both. Which option…