Cambridge International Examinations Cambridge International Advanced Subsidiary and Advanced Level

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1 * * ambridge International Examinations ambridge International dvanced Subsidiary and dvanced Level PHYSIS 97/11 Paper 1 Multiple hoice May/June 18 dditional Materials: Multiple hoice nswer Sheet Soft clean eraser Soft pencil (type or H is recommended) 1 hour 15 minutes RE THESE INSTRUTIONS FIRST Write in soft pencil. o not use staples, paper clips, glue or correction fluid. Write your name, entre number and candidate number on the nswer Sheet in the spaces provided unless this has been done for you. O NOT WRITE IN NY ROES. There are forty questions on this paper. nswer all questions. For each question there are four possible answers,, and. hoose the one you consider correct and record your choice in soft pencil on the separate nswer Sheet. Read the instructions on the nswer Sheet very carefully. Each correct answer will score one mark. mark will not be deducted for a wrong answer. ny working should be done in this booklet. Electronic calculators may be used. This document consists of printed pages. I18 6_97_11/3RP ULES 18 [Turn over

2 ata speed of light in free space c = m s 1 permeability of free space µ = 4π 1 7 H m 1 permittivity of free space ε = F m 1 ( 1 4πε = m F 1 ) elementary charge the Planck constant unified atomic mass unit rest mass of electron rest mass of proton e = h = J s 1 u = kg m e = kg m p = kg molar gas constant R = 8.31 J K 1 mol 1 the vogadro constant N = mol 1 the oltzmann constant k = J K 1 gravitational constant G = N m kg acceleration of free fall g = 9.81 m s ULES 18 97/11/M/J/18

3 3 Formulae uniformly accelerated motion s = ut + 1 at v = u + as work done on/by a gas W = p V gravitational potential φ = Gm r hydrostatic pressure p = ρ gh pressure of an ideal gas p = 1 Nm <c > 3 V simple harmonic motion velocity of particle in s.h.m. a = ω x v = v cos ωt x v = ± ω ( x ) oppler effect f = o electric potential V = fsv v ± v s Q 4πε r capacitors in series 1 / = 1 / / +... capacitors in parallel = energy of charged capacitor electric current 1 W = QV I = nvq resistors in series R = R 1 + R +... resistors in parallel 1 / R = 1 / R / R +... Hall voltage alternating current/voltage I V H = ntq x = x sin ωt radioactive decay x = x exp( λt) decay constant λ =.693 t 1 ULES 18 97/11/M/J/18 [Turn over

4 4 1 What is a unit for stress? kg m 1 s kg m s N m 1 N m Physical quantities can be classed as vectors or as scalars. Which pair of quantities consists of two vectors? kinetic energy and force momentum and time velocity and electric field strength weight and temperature 3 Two dogs pull a sledge along an icy track, as shown. dog X pulls with a force of N sledge forward force track dog Y pulls with a force of 1 N og X pulls with a force of N at an angle of 65 to the front edge of the sledge. og Y pulls with a force of 1 N at an angle of 45 to the front edge of the sledge. What is the resultant forward force on the sledge exerted by the two dogs? 8 N 17 N 7 N 3 N ULES 18 97/11/M/J/18

5 5 4 In the circuit shown, an analogue ammeter is to be recalibrated as a thermometer. The ammeter is connected in series with a thermistor. The thermistor is a component with a resistance that varies with temperature. The graph shows how the resistance R of the thermistor changes with temperature T. R / kω thermistor 1 T / Which diagram could represent the temperature scale on the ammeter? The sides of a cube are measured with calipers. The measured length of each side is (3. ±.1) mm. The measurements are used to calculate the volume of the cube. What is the percentage uncertainty in the calculated value of the volume?.1%.3% 1% 3% ULES 18 97/11/M/J/18 [Turn over

6 6 tennis ball falls freely, in air, from the top of a tall building. Which graph best represents the variation with time t of the distance s fallen? 6 s s t t s s t t 7 The graph shows the variation with mass of the weight of objects on a particular planet. weight / N mass / kg What is the value of the acceleration of free fall on the planet?.63 m s 1.6 m s 3. m s 9.8 m s ULES 18 97/11/M/J/18

7 7 8 The momentum of a car of mass m increases from p 1 to p. What is the increase in the kinetic energy of the car? ( p p 1 ) m ( p p1) m p p m 1 p p m 1 9 Two similar spheres, each of mass m and travelling with speed v, are moving towards each other. v v m m The spheres have a head-on elastic collision. Which statement is correct? The spheres stick together on impact. The total kinetic energy after impact is mv. The total kinetic energy before impact is zero. The total momentum before impact is mv. 1 horizontal metal bar PQ of length 5. cm is hinged at end P. The diagram shows the metal bar viewed from above. 16. N 3 Q P 5. cm 5. N Two forces of 16. N and 5. N are in the horizontal plane and act on end Q as shown in the diagram. What is the total moment about P due to the two forces? 1.5 N m 4.4 N m 6.5 N m 9.4 N m ULES 18 97/11/M/J/18 [Turn over

8 8 11 locks P, Q, R and S are made from material of the same density. lock T is made from a material of twice the density of the material of the other blocks. The cross-sectional area and height of each of the blocks are shown. h R h S h P h Q h T ground Which two blocks exert the same pressure on the ground? P and T Q and R Q and S S and T 1 Two parallel forces, each of magnitude F, act on a rod of length 5d. Which diagram shows the positions of the two forces that will produce the largest torque on the rod? d F F F F d F F F d F ULES 18 97/11/M/J/18

9 9 13 Liquids X and Y are stored in large open tanks. Liquid X has a density of 8 kg m 3 and liquid Y has a density of 1 kg m 3. t which depths are the pressures equal? depth in liquid X / m depth in liquid Y / m train of mass kg is moving at a constant speed up a slope inclined at an angle of.64 to the horizontal. The engine of the train is producing a useful output power of 14 MW. ssume that there are no frictional forces opposing the motion of the train. What is the speed of the train?.43 m s 1 4. m s 1 39 m s 1 38 m s 1 15 cannon-ball of mass 3.5 kg is fired at a speed of. m s 1 from a gun on a ship at a height of 6. m above sea level. The total energy of the cannon-ball is the sum of the gravitational potential energy relative to the surface of the sea and the kinetic energy. What is the total energy of the cannon-ball as it leaves the gun? 6 J 641 J 847 J 15 J 16 n aircraft travels at a constant velocity of 9 m s 1 in horizontal flight. The diagram shows some of the forces acting on the aircraft. drag 4 N thrust weight The mass of the aircraft is kg. What is the power produced by the thrust force? W. 1 5 W W. 1 6 W ULES 18 97/11/M/J/18 [Turn over

10 1 17 n electrical generator is started at time zero. The total electrical energy generated during the first 5 seconds is shown in the graph. energy / J time / s What is the maximum electrical power generated at any instant during these first 5 seconds? 1 W 13 W 3 W 5 W 18 The diagram shows a wire of diameter and length L that is firmly clamped at one end between two blocks of wood. load is applied to the wire which extends its length by x. blocks of wood wire load second wire is made of the same material, but of diameter and length 3L. oth wires obey Hooke s law. What is the extension of the second wire when the same load is applied? 3 x 3 4 x 4 3 x 3 x ULES 18 97/11/M/J/18

11 11 19 Two wires, one made of brass and the other of steel, are stretched in an experiment. oth wires obey Hooke s law during this experiment. The Young modulus for brass is less than the Young modulus for steel. Which graph shows how the stress varies with strain for both wires in this experiment? stress steel stress steel brass brass strain strain stress brass stress brass steel steel strain strain ULES 18 97/11/M/J/18 [Turn over

12 1 transverse progressive wave is set up on a string. The graph shows the variation with time of displacement for a point on this string. displacement X Y time The separation XY on the graph represents the 1 of the wave. X and Y have equal. Which words correctly complete gaps 1 and? 1 time period amplitudes time period displacements wavelength amplitudes wavelength displacements 1 Which region of the electromagnetic spectrum includes waves with a frequency of 1 7 MHz? infra-red waves radio waves ultraviolet waves X-rays ULES 18 97/11/M/J/18

13 longitudinal wave has vibrations parallel to the direction of transfer of energy by the wave. 13 The wave can be represented on a graph showing the variation of the displacement of the particles with distance from the source. Which point on the graph is the centre of a compression? displacement away from source direction of transfer of energy displacement towards source distance from source 3 What can be deduced from a table of wavelengths of the waves in the electromagnetic spectrum? Green light has a shorter wavelength than X-rays. Red light has a shorter wavelength than green light. The wavelength range for radio waves is less than that for infra-red waves. The wavelength range for X-rays is less than that for radio waves. ULES 18 97/11/M/J/18 [Turn over

14 14 4 binary star consists of two stars rotating around a common centre. Light from one of the stars is observed on the Earth. binary star observer on Earth The observed frequency of the light varies between a minimum frequency f min and a maximum frequency f max, as shown. observed frequency f max f min time The rate of rotation of the binary star increases. What is the change to f max and the change to f min? f max f min decreases decreases decreases increases increases decreases increases increases ULES 18 97/11/M/J/18

15 15 5 teacher sets up the apparatus shown to demonstrate a double-slit interference pattern on the screen. single slit double slit screen source of light q p r Which change to the apparatus will increase the fringe spacing? decreasing the distance p decreasing the distance q decreasing the distance r decreasing the wavelength of the light 6 The diagram shows two sources of waves S 1 and S. The sources oscillate with a phase difference of 18. S 1 S 5 cm 13 cm P The sources each generate a wave of wavelength. cm. Each source produces a wave that has amplitude x when it reaches point P. What is the amplitude of the oscillation at P? x x x ULES 18 97/11/M/J/18 [Turn over

16 16 7 pipe, closed at one end, has a loudspeaker at the open end. stationary sound wave is formed in the air within the pipe with an antinode at the open end of the pipe. loudspeaker.85 m pipe The length of the pipe is.85 m. The speed of sound in air is 34 m s 1. Which frequency of sound from the loudspeaker would not produce a stationary wave? 1 Hz Hz 3 Hz 5 Hz 8 particle has a charge of +. m and is in a vertical uniform electric field. n electric force of 1. 1 N acts upwards on the particle. What is the electric field strength?. V m 1 downwards. V m 1 upwards 5. V m 1 downwards 5. V m 1 upwards 9 charged particle is in the electric field between two horizontal metal plates connected to a battery, as shown. There is a force F on the particle due to the electric field. charged particle The separation of the plates is doubled. What is the new force on the particle? F 4 F F F ULES 18 97/11/M/J/18

17 17 3 The current I in a metal wire is given by the expression shown. What does the symbol n represent? I = nvq the number of atoms per unit volume of the metal the number of free electrons per atom in the metal the number of free electrons per unit volume of the metal the total number of electrons per unit volume of the metal 31 The circuit diagrams show two lamps X and Y each connected to a cell. The current in lamp X is.5 and its resistance is 9.6 Ω. The current in lamp Y is 3. and its resistance is 1. Ω..5 lamp X 3. lamp Y 9.6 Ω 1. Ω What is the ratio power in lamp X? power in lamp Y cylindrical piece of a soft, electrically-conducting material has resistance R. It is rolled out so that its length is doubled but its volume stays constant. What is its new resistance? R R R 4R 33 The sum of the electrical currents into a point in a circuit is equal to the sum of the currents out of the point. Which statement is correct? This is Kirchhoff s first law, which results from the conservation of charge. This is Kirchhoff s first law, which results from the conservation of energy. This is Kirchhoff s second law, which results from the conservation of charge. This is Kirchhoff s second law, which results from the conservation of energy. ULES 18 97/11/M/J/18 [Turn over

18 34 In the circuit shown, the batteries have negligible internal resistance V 9 V I 1 I I 3. Ω. Ω. Ω What are the values of the currents I 1, I and I 3? I 1 / I / I 3 / battery of electromotive force (e.m.f.) 6. V and negligible internal resistance is connected to three resistors as shown. 4. kω 6. V 4. kω X 4. kω Each resistor has a resistance of 4. kω. What is the current in resistor X?.5 m.5 m.75 m 1. m ULES 18 97/11/M/J/18

19 19 36 uniform resistance wire XY of length 1 cm is connected in series with a cell L. nother cell M is connected in series with resistors of resistances 5. Ω, 1. Ω and 15. Ω. L X P 1 cm 1.5 cm 5. Ω 1. Ω 15. Ω Q R S Y resistance wire M The potential difference (p.d.) between P and Q is balanced against 1.5 cm of the resistance wire, so that the ammeter reads zero. The p.d. across the other resistors is then balanced against other lengths of the resistance wire. Which balanced lengths of resistance wire correspond to the connection points given in the table? connection points balanced length / cm Q and R Q and S P and R ULES 18 97/11/M/J/18 [Turn over

20 37 motor is required to operate at a distance of 8 m from its power supply. The motor requires a potential difference (p.d.) of 16. V and a current of.6 to operate. Two wires are used to supply power to the motor as shown. wires power supply motor 8 m The resistance of each of these wires is.5 Ω per metre. What is the minimum output p.d. of the power supply? 11. V 16. V 18.4 V.8 V 38 Which elementary particle is a lepton? proton neutron electron quark 39 How many down quarks are in a nucleus of hydrogen-3, 3 1 H? What is the correct equation for β + decay? neutron proton + electron + electron antineutrino neutron proton + electron + electron neutrino proton neutron + positron + electron antineutrino proton neutron + positron + electron neutrino Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (ULES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. To avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced online in the ambridge International Examinations opyright cknowledgements ooklet. This is produced for each series of examinations and is freely available to download at after the live examination series. ambridge International Examinations is part of the ambridge ssessment Group. ambridge ssessment is the brand name of University of ambridge Local Examinations Syndicate (ULES), which is itself a department of the University of ambridge. ULES 18 97/11/M/J/18

Cambridge International Examinations Cambridge International Advanced Subsidiary and Advanced Level

Cambridge International Examinations Cambridge International Advanced Subsidiary and Advanced Level ambridge International Examinations ambridge International dvanced Subsidiary and dvanced Level *3167994674* PHYSIS 970/11 Paper 1 Multiple hoice May/June 016 dditional Materials: RE THESE INSTRUTIONS