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 97/1 Paper 1 Multiple hoice October/November 17 dditional Materials: RE THESE INSTRUTIONS FIRST Multiple hoice nswer Sheet Soft clean eraser Soft pencil (type or H is recommended) 1 hour 15 minutes 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. I17 11_97_1/RP ULES 17 [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 ( = m F 1 ) 4πε 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 17 97/1/O/N/17

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 17 97/1/O/N/17 [Turn over

4 4 1 Which pair of units are not the same when expressed in SI base units? m s and N kg 1 N s and kg m s 1 Pa and N m V m and N 1 What is the vertical component of this displacement vector? 5. km horizontal km 3.8 km 4. km 5. km 3 The units of specific heat capacity are J kg 1 K 1. What are the SI base units of specific heat capacity? m s K 1 m s 1 K 1 m s K 1 m s 1 K 1 4 quantity y is to be determined from the equation shown. y = px q The percentage uncertainties in p, x and q are shown. What is the percentage uncertainty in y? percentage uncertainty p 6% x % q 4%.5%.75% 1% 16% ULES 17 97/1/O/N/17

5 5 5 transmitter emits a pulse of electromagnetic waves towards a reflector. The pulse is reflected and returns to the transmitter. detector is located at the transmitter. The emitted pulse and the reflected pulse are displayed on a cathode-ray oscilloscope (c.r.o.) as shown. 1 cm 1 cm The pulse takes 6.3 µs to travel from the transmitter to the reflector. What is the time-base setting of the c.r.o.?.1 µs cm 1 3. µs cm 1 4. µs cm µs cm 1 6 hot-air balloon is moving vertically upwards with a constant speed of 3. m s 1. sandbag is dropped from the balloon. It takes 5. s for the sandbag to fall to the ground. What was the height of the balloon when the sandbag was released? 9 m 18 m 13 m 138 m ULES 17 97/1/O/N/17 [Turn over

6 7 The velocity-time graph for a train starting at one station and stopping at the next is shown. 6 velocity time nother train has double the acceleration but the same maximum speed and the same deceleration. Which velocity-time graph, on the same scale, shows the motion of this train between the same stations? velocity velocity time time velocity velocity time time ULES 17 97/1/O/N/17

7 8 stone is released from rest and falls a long distance in air. Which graph could show the variation with time t of the acceleration a of the stone? 7 a a t t a a t t 9 slow vehicle and a fast vehicle travel towards each other in a straight line and then collide. Which outcome is never possible, regardless of the masses of the vehicles? oth vehicles stop. Only one vehicle stops. The fast vehicle s speed increases. The slow vehicle s speed increases. ULES 17 97/1/O/N/17 [Turn over

8 8 1 Two blocks of masses M and m are joined by a thin string which passes over a frictionless pulley, as shown. pulley a M string m a The acceleration of free fall is g. What is the acceleration a of the two blocks? (M + m) (M m) g (M m) (M + m) g M g m m g M 11 The diagram shows a block of copper suspended in water. face S face R The block experiences an upthrust from the water. Which statement is the basis of an explanation for this upthrust? opper is more dense than water. The area of face R is greater than the area of face S. The density of water increases with depth. The pressure of water increases with depth. ULES 17 97/1/O/N/17

9 9 1 The diagram shows a solid cube with weight W and sides of length L. It is supported at rest by a frictionless spindle that passes through the centres of two opposite vertical faces. One of these faces is shaded. L The spindle is now removed and replaced at a distance 4 L to the right of its original position. L 4 When viewing the shaded face, what is the torque of the couple that will now be needed to keep the cube at rest? WL anticlockwise 4 WL clockwise 4 WL anticlockwise WL clockwise ULES 17 97/1/O/N/17 [Turn over

10 1 13 street lamp is fixed to a wall by a metal rod and a cable. cable wall P metal rod lamp Which vector triangle could represent the forces acting at point P? 14 Two rigid steel beams XY and YZ are fixed at their lower ends and are hinged at Y. Each beam is inclined at 5 to the horizontal, as shown. weight of N hangs from Y. The structure is in equilibrium. steel beam Y hinge steel beam N X 5 5 Z What is the force exerted by each beam on the hinge at Y? N N N N ULES 17 97/1/O/N/17

11 11 15 ir is trapped inside a glass bulb which is immersed in water and attached to a U-tube containing mercury. The densities of water and mercury are ρ w and ρ m respectively. The surface of the water is open to the atmosphere where atmospheric pressure is P. atmospheric pressure P glass bulb water surface water density ρ w air h w h m U-tube mercury density ρ m The acceleration of free fall is g. What is the pressure of the air in the glass bulb? P + gρ w h w + gρ m h m P + gρ w h w gρ m h m gρ w h w + gρ m h m gρ w h w gρ m h m 16 ball of mass m is thrown up to height h in air with an initial velocity v, as shown. v h P Q ir resistance is negligible. The acceleration of free fall is g. What is the total work done by the gravitational force on the ball during its flight from P to Q? zero 1 mv mgh mgh ULES 17 97/1/O/N/17 [Turn over

12 1 17 constant force F, acting on a car of mass m, moves the car up a slope through a distance s at constant velocity v. The angle of the slope to the horizontal is α. s F α gravitational potential energy gained by car What is the ratio? work done by force F mgs sinα Fv mv Fs mv Fs mg sinα F 18 ar X is travelling at half the speed of car Y. ar X has twice the mass of car Y. Which statement is correct? ar X has half the kinetic energy of car Y. ar X has one quarter of the kinetic energy of car Y. ar X has twice the kinetic energy of car Y. The two cars have the same kinetic energy. 19 uring refuelling, a petrol car receives 5 litres of fuel in 9 seconds. The petrol has 34 MJ of energy per litre. For an electric car to receive the same amount of energy in the same time from a 3 V supply, what is the minimum current required? ULES 17 97/1/O/N/17

13 bolt is subjected to a tensile force, as shown. 13 X bolt Y tensile force d d tensile force The bolt has a circular cross-section. t end X the diameter is d. t end Y the diameter is d. What is the ratio stress at Y? stress at X rectangular block of steel supporting a very large component of a bridge has a height of 15 cm and a cross-section of cm 1 cm. It is designed to compress 1 mm when under maximum, evenly distributed, load. The Young modulus of steel is N m. What is the maximum load it can support? 3 MN 56 GN 7 GN 3 TN ULES 17 97/1/O/N/17 [Turn over

14 14 When sound travels through air, the air particles vibrate. graph of displacement against time for a single air particle is shown. displacement T T time Which graph best shows how the kinetic energy of the air particle varies with time? kinetic energy kinetic energy T T time T T time kinetic energy kinetic energy T T time T T time 3 Which wave is a longitudinal wave? a light wave travelling through air a radio wave from a broadcasting station a ripple on the surface of water a sound wave travelling through air ULES 17 97/1/O/N/17

15 15 4 vibrating tuning fork is held above a glass cylinder filled to the top with water. The water level is steadily lowered. loud sound is first heard when the water level is 83.5 cm above the bench. The next loud sound is heard when the water level is 17.1 cm above the bench. tuning fork cylinder NOT TO SLE water 83.5 cm water 17.1 cm The speed of sound in air is 34 m s 1. What is the frequency of the tuning fork? 18 Hz 56 Hz 384 Hz 51 Hz 5 train that is moving in a straight line along a railway track has a whistle that continuously emits sound of frequency f. woman standing by the side of the track hears sound of frequency.85f. The speed of sound in the air is 34 m s 1. What is the velocity of the train? 51 m s 1 away from the woman 51 m s 1 towards the woman 6 m s 1 away from the woman 6 m s 1 towards the woman 6 Orange light in a vacuum has a wavelength of 6 nm. What is the frequency of this light? 18 Hz Hz Hz Hz 7 stationary sound wave has a series of nodes. The distance between the first and the sixth node is 3. cm. What is the wavelength of the sound wave? 5. cm 6. cm 1. cm 1. cm ULES 17 97/1/O/N/17 [Turn over

16 8 Which diagram shows the diffraction of water waves in a ripple tank? 16 9 hill stands between a radio transmitter and a house, as shown. hill house radio transmitter The radio transmitter cannot be seen from the house, but radio waves from the transmitter are received at the house. Why is this? The wavelength of light is longer than the wavelength of radio waves so there is more diffraction of light over the hill. The wavelength of light is shorter than the wavelength of radio waves so there is more diffraction of light over the hill. The wavelength of radio waves is longer than the wavelength of light so there is more diffraction of radio waves over the hill. The wavelength of radio waves is shorter than the wavelength of light so there is more diffraction of radio waves over the hill. ULES 17 97/1/O/N/17

17 17 3 In an experiment to demonstrate double-slit interference using light, the distance from the slits to the screen is doubled and the slit separation is halved. The wavelength of the light is kept constant. y which factor does the separation of adjacent bright fringes change? The diagram shows two metal plates connected to a constant high voltage. d Which graph shows the variation of the electric field strength E midway between the two plates as the distance d between the two plates is increased? E E E E d d d d 3 n electron moves between two points X and Y in a uniform electric field, as shown. Y uniform electric field X The distance between X and Y is 4. cm and the line XY is at an angle of 6 to the direction of the field. The field exerts the only force on the electron. The field strength is 1 N 1. What is the change in the kinetic energy of the electron as it moves from X to Y? 4 ev ev + ev +4 ev ULES 17 97/1/O/N/17 [Turn over

18 33 Two copper wires are joined together and carry a current, as shown. 18 current current wire P diameter d wire Q diameter d Wire P has diameter d and wire Q has diameter d. What is the ratio average drift speed of the free electrons in wire P? average drift speed of the free electrons in wire Q cell of negligible internal resistance is connected to resistors R 1, R and R 3, as shown. The cell provides power to the circuit and power is dissipated in the resistors. R 1 R R 3 Which word equation must be correct? power loss in R 1 = power loss in R + power loss in R 3 power loss in R = power loss in R 3 power output of cell = power loss in R 1 + power loss in R + power loss in R 3 power output of cell = power loss in R 1 35 Which graph represents a metallic conductor, where the resistance of the conductor is given by the gradient of the graph? V V I I I I V V ULES 17 97/1/O/N/17

19 19 36 typical mobile phone battery has an e.m.f. of 5. V and an internal resistance of mω. What is the terminal p.d. of the battery when it supplies a current of 5 m? 4.8 V 4.9 V 5. V 5.1 V 37 The circuit shown contains a resistor S that is neither in series nor in parallel with the other resistors. 1. V.5 Ω S R R Kirchhoff s laws can be used with the data in the diagram to deduce the resistance of each of the two identical resistors labelled R. What is the resistance of each resistor R? 3. Ω 4. Ω 4.8 Ω 5. Ω 38 The diagram shows a potential divider connected to a 1 V supply of negligible internal resistance. 3 Ω 1 V X 1 Ω Which range of voltages can be obtained between X and Y? to 3 V to 4 V to 8 V to 9 V Y ULES 17 97/1/O/N/17 [Turn over

20 39 The diagram shows a sequence of radioactive decays involving three α-particles and a β particle. What is nuclide T? α β α α Np Q R S T 5 Ra Ra 9 Th 9 Th Which combination of up (u) and down (d) quarks forms a neutron? u u u u u d u d d d d d 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 17 97/1/O/N/17

Cambridge International Examinations Cambridge International Advanced Subsidiary and Advanced Level

Cambridge International Examinations Cambridge International Advanced Subsidiary and Advanced Level *5399695* 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