CAPE Physics Unit 1 · 2017 · Paper 1

35 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. 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…
2. Q31 mark · multiple choiceThe terminal velocity of a spherical body falling through a viscous liquid is given by V = kr^n, where r is the radius of the sphere, and k and n are constants. The values of k and n can be determined by…
3. Q41 mark · multiple choiceA metal case is dropped out of a hovering helicopter and plummets 80\text{ m} before hitting the ground. What is its velocity just before it hits the ground?
4. Q51 mark · multiple choiceAn object falls freely under gravity, g, from a height of 12.5\text{ m}. Which of the following equations can be used to determine the time, t, taken for the object to reach the ground?
5. Q61 mark · multiple choiceAvogadro's constant, N_A, is numerically equal to the number of
6. Q71 mark · multiple choiceAn object of mass, m, travelling initially at a velocity, u, is acted upon by a force, F, for a period, t, until it is travelling with a velocity, v. Which of the following equations can be used to determine…
7. Q81 mark · multiple choiceItem 8 refers to the following scenario. A swimmer of mass 66\,000\text{ g} starts from rest and accelerates uniformly to the other end of the pool during a competition. His force against the water is 90\text{ N}.…
8. Q91 mark · multiple choiceWhich of the following pairs of phrases is MOST appropriate for describing elastic and inelastic collisions?
9. Q101 mark · multiple choiceItem 10 refers to the following diagram of a small ball bearing falling from rest in a viscous liquid. The forces acting on the ball bearing are its weight, W, viscous drag, F, and upthrust, U. When terminal…
10. Q111 mark · multiple choiceItem 11 refers to the following diagram which shows a plank in equilibrium when acted on by the forces P, T and W. From the diagram above, which of the following statements are true? I. T + P = W II.…
11. Q131 mark · multiple choiceIf m is the mass of an object and E its kinetic energy, then its linear momentum is
12. Q141 mark · multiple choiceItem 14 refers to the following diagram which represents the track of a roller coaster. At which point, Q, R, S or T, on the roller coaster track does the cart have maximum kinetic energy and minimum potential energy?
13. Q151 mark · multiple choiceWhich of the following quantities is dimensionless?
14. Q161 mark · multiple choiceWhich of the following graphs BEST represents the relationship between total energy, E_T, potential energy, E_p, kinetic energy, E_k, and displacement of a particle moving in a straight line with simple harmonic…
15. Q171 mark · multiple choiceThe displacement of a particle undergoing simple harmonic motion is given by x = 8 \sin (0.4\pi t), where x is in metres and t in seconds. The frequency of oscillation of the particle is
16. Q191 mark · multiple choiceItem 19 refers to the following two graphs which display the variation of displacement, with time and distance respectively, for the motion of a wave. What is the velocity of the wave?
17. Q201 mark · multiple choiceWhat is the phase difference between the two points, A and B, on the following graph?
18. Q211 mark · multiple choiceItem 21 refers to the following diagram which represents the waveform produced when a speaker is held over one open end of a pipe of length 85\text{ cm}. If the speed of sound is 340\text{ m s}^{-1}, what is the…
19. Q221 mark · multiple choiceIn a double slit experiment using a monochromatic light source of wavelength 400\text{ nm}, the distance between the bright fringes is found to be 8.0\text{ mm}. If the screen is 5.0\text{ m} from the double slit,…
20. Q241 mark · multiple choiceWhich of the following statements concerning sound and light waves is correct?
21. 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. When the waves are incident along the…
22. Q261 mark · multiple choiceItem 26 refers to the following diagram. An object is placed 18\text{ cm} in front of a convex lens of focal length 12\text{ cm}. The position of the image formed is at
23. Q271 mark · multiple choiceAt what angle does the second order constructive interference occur for red light of wavelength 700\text{ nm} through a diffraction grating that has 600\text{ lines per mm}?
24. Q281 mark · multiple choiceWhich of the following eye defects can be corrected by a cylindrical lens?
25. Q291 mark · multiple choiceHow much intensity change in dB will take place with an increase in intensity from 1\text{ mW m}^{-2} to 100\text{ mW m}^{-2}?
26. Q301 mark · multiple choiceAccommodation in the human eye refers to the
27. Q321 mark · multiple choiceThe triple point of water is chosen as the upper fixed point on the thermodynamic scale of temperature rather than the melting point of ice because
28. Q331 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.…
29. Q341 mark · multiple choiceAn uncalibrated mercury-in-glass thermometer when placed in a cup of water indicates the top of the mercury stem to be 14\text{ cm} above the bulb. On placing the thermometer in pure melting ice, the height is…
30. Q351 mark · multiple choiceWater falls from a height of 500\text{ m}. What is the rise in temperature of the water at the bottom, if all the energy gained is converted to internal energy in the water?
31. Q361 mark · multiple choiceWhich of the following statements are true about the process of thermal conduction in metals? I. Electrons play a major role in the conduction process. II. Adding moisture to an object increases its rate of thermal…
32. Q371 mark · multiple choiceItem 37 refers to a composite conductor with materials of thermal conductivities, k, k/2, k/3, which has insulated sides. Heat is transferred through the conductor from left to right as shown in the diagram below.…
33. Q381 mark · multiple choiceThe rate of energy radiated by a perfectly black body is proportional to
34. Q391 mark · multiple choiceThe mean kinetic energy of the molecules in a sample of a monoatomic gas is 8.28 \times 10^{-21}\text{ J}. What is the temperature of the gas?
35. Q401 mark · multiple choiceFour different liquids are poured into identical measuring cylinders. Which of the following diagrams shows the liquid that exerts the GREATEST pressure on the base of its measuring cylinder?