CAPE Physics Unit 1 · 2012 · Paper 1

43 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 of the quantities below are dimensionless? I. Relative density II. Force III. Length IV. Refractive index
2. Q21 mark · multiple choiceIn determining the density of a cube, a student records the following measurements: Length of side, l = 3.0 \pm 0.1\text{ cm} Mass of cube, m = 12.5 \pm 0.5\text{ g} The student then uses the equation…
3. Q31 mark · multiple choiceItem 3 refers to the following quantities with their base units. P: \text{kg m}^{-3} Q: \text{kg m s}^{-2} R: \text{kg}^2\text{ m}^{-3}\text{ s}^{-1} What quantity does \frac{PQ}{R} represent?
4. Q41 mark · multiple choiceWhich of the following is NOT an S.I. base unit?
5. Q51 mark · multiple choiceA signal station sounds its horn and flashes a light to warn an approaching ship. The ship hears the sound 10 seconds after the flash is seen. If the speed of sound in air is 340\text{ m s}^{-1}, how far away from the…
6. Q61 mark · multiple choiceWhich of the following is NOT an equation for uniformly accelerated motion?
7. Q71 mark · multiple choiceIf p is the momentum of an object of mass, m, then the expression \frac{p^2}{m} has the same unit as
8. Q81 mark · multiple choiceWhich of the following pairs of conditions is true for an inelastic collision?
9. Q91 mark · multiple choiceWhich of the following equations gives the correct relationship between impulse and momentum?
10. Q101 mark · multiple choiceA force of 200\text{ N} acts on a trolley of mass 2\text{ kg} causing it to move off from rest and reach a speed of 14\text{ m s}^{-1}. The rate of change of momentum of the trolley is
11. Q111 mark · multiple choiceA car with mass, m, moves round a circular road of radius, r, at a constant speed, v. Which of the following statements is/are true? I. Its velocity changes and the magnitude of the acceleration is…
12. Q121 mark · multiple choiceWhen a small steel ball bearing falls through glycerine it quickly reaches a terminal velocity. This happens because the
13. Q131 mark · multiple choiceA body falls from a cliff 80\text{ m} above the ground. If it loses 25\% of its energy overcoming friction, what is its velocity on impact with the ground? [g = 9.8\text{ N kg}^{-1}]
14. Q141 mark · multiple choiceA van has mass, m. The van's engine has a maximum power output of P. The LEAST time for the van to be accelerated from rest to a speed, v, is
15. Q151 mark · multiple choiceIf m is the mass of an object and E its kinetic energy, then its linear momentum is
16. Q161 mark · multiple choiceThe displacement of a particle undergoing simple harmonic motion is given by x = 8 \sin(0.4\pi t) The frequency of oscillation of the particle is
17. Q171 mark · multiple choiceA pendulum is held at its highest point and then released. A suitable graph to show one cycle of this motion is
18. Q181 mark · multiple choiceWhich of the following graphs represents a body undergoing critical damping?
19. Q191 mark · multiple choiceWhich of the following statements concerning sound and light waves is correct?
20. Q201 mark · multiple choiceWhich of the following events is associated with transverse waves but NOT longitudinal waves?
21. Q221 mark · multiple choiceItem 22 refers to the following displacement-position graph which represents a stationary wave at two different instants of time. What does the distance PQ represent?
22. Q231 mark · multiple choiceThe intensity of sound is directly proportional to the
23. Q241 mark · multiple choiceTwo sources are said to be coherent
24. Q251 mark · multiple choiceAfter investigating the refraction of water waves in a ripple tank, a student draws the following conclusions. I. When refraction occurs, the wavelength of the waves changes. II. Refraction is caused by a change in the…
25. Q261 mark · multiple choiceAs light travelling in air enters a medium its speed changes to 2.4 \times 10^8\text{ m s}^{-1}. The refractive index of the medium is
26. Q271 mark · multiple choiceIn a double slit experiment using a monochromatic light source of wavelength 400\text{ nm}, the distance between the bright fringes was found to be 8.0\text{ mm}. If the screen is 5\text{ m} from the double slit,…
27. Q281 mark · multiple choiceWhat is the ratio of the intensity of two sounds if one is 8.0\text{ dB} louder than the other?
28. Q291 mark · multiple choiceThe power of a lens of focal length 15\text{ cm} is
29. Q301 mark · multiple choiceIf an object is placed 10\text{ cm} in front of a converging lens of focal length 30\text{ cm}, where is the image formed?
30. Q311 mark · multiple choiceWhich of the thermometers listed below could possibly measure temperatures between 73\text{ K} and 1473\text{ K}?
31. Q321 mark · multiple choiceTemperatures on the empirical centigrade scale are determined by the formula, \theta = \frac{x_\theta - x_0}{x_{100} - x_0} \times 100\ ^\circ\text{C} where x is a physical property that varies with temperature.…
32. Q331 mark · multiple choiceWhich of the following statements is/are true about temperature? I. Whilst a substance is melting its temperature remains constant. II. The temperature at the triple point of a substance has a constant value. III. The…
33. Q341 mark · multiple choiceIn an electrical method for determining the specific heat capacity of a metal, the following readings were obtained: Mass of metal: 2\text{ kg} Supply voltage: 240\text{ V} Current: 3\text{ A} Time for which heat…
34. Q351 mark · multiple choiceOn a hot day, you feel cool when you perspire because the
35. Q361 mark · multiple choiceItem 36 refers to a composite conductor with materials of thermal conductivities, k, k/2, k/3, which has insulated sides. Heat is transferred through it from left to right as shown in the diagram below. Each…
36. Q371 mark · multiple choiceA contractor builds an office window of height 150\text{ cm} and width 200\text{ cm} with a glass pane of thickness 0.5\text{ cm}. The temperature difference across the glass is 15\text{ K} and the thermal…
37. Q391 mark · multiple choiceWhich graph BEST represents pressure 'P' of a gas as a function of its mass when the gas is pumped into a container of fixed volume and the temperature remains constant?
38. Q401 mark · multiple choiceThe total kinetic energy of n moles of a monatomic gas at temperature T is given by the equation
39. Q411 mark · multiple choiceWhat is the total pressure on the base of a container of cross-sectional area 5.0\text{ m}^2 if it is filled with ethylene glycol of density 1120\text{ kg m}^{-3} up to a depth of 3.0\text{ m}? [Atm. press =…
40. Q421 mark · multiple choiceTwo identical springs hang side by side (in parallel) and are connected to a load of 7.5\text{ N}. They each experience an extension of 2.5\text{ cm}. What is the force constant of ONE of the springs?
41. Q431 mark · multiple choiceA 5\text{ kg} mass hangs from a uniform steel wire and the resulting stress in the wire is \sigma. Hanging a 10\text{ kg} mass from a steel wire of twice the diameter would result in a stress of
42. Q441 mark · multiple choiceItem 44 refers to the following graph. The graph above is MOST likely to apply to
43. Q451 mark · multiple choiceItem 45 refers to the following diagram. The figure above shows the force-extension graph of a wire. How much work is done in stretching the wire from an extension of 1\text{ mm} to 2\text{ mm}?