Cambridge A Level Physics 9702 — 2007 May/June Paper 1 · Variant 1
9702/11/M/J/07 · 40 questions · 40 marks · ≈45 min
The question paper and its mark scheme, free to read here and free to download. This is Cambridge’s own paper, exactly as it was sat.
Question paper20 pages
Mark scheme2 pages
Answers below. Sit the paper first if you are practising.
Questions as text
Q1 · Which is a pair of SI base units?
1 Which is a pair of SI base units? A ampere joule B coulomb second C kilogram kelvin D metre newton 1µ m
Mark scheme: C
Q2 · What is the ratio ?
2 What is the ratio ? 1 Gm A 10–3 B 10–9 C 10–12 D 10–15
Mark scheme: D
Q3 · Which formula could be correct for the speed v of ocean waves in terms of the density ρ…
3 Which formula could be correct for the speed v of ocean waves in terms of the density ρ of sea- water, the acceleration of free fall g, the depth h of the ocean and the wavelength λ? A B g C D g v = g λ v = v = ρ gh v = ρ h
Mark scheme: A
Q4 · An oscilloscope display consists of two separate traces, a waveform and a long horizontal…
4 An oscilloscope display consists of two separate traces, a waveform and a long horizontal line. The horizontal line may be taken as the zero level. The grid on the screen is calibrated in cm squares, the timebase setting is 2.5 ms cm–1, and the Y-sensitivity is 5 mV cm–1. What are the period and the peak positive voltage of the waveform in the diagram? period / ms peak positive voltage / mV A 5 17 B 5 25 C 10 17 D 10 25
Mark scheme: C
Q5 · The resistance of an electrical component is measured
5 The resistance of an electrical component is measured. The following meter readings are obtained. 0.4 0.6 0.2 0.8 mV A 0 1.0 What is the resistance? A 2.5 Ω B 2.7 Ω C 2500 Ω D 2700 Ω
Mark scheme: A
Q6 · What gives the value of a body’s acceleration?
6 What gives the value of a body’s acceleration? A the area under its displacement-time graph B the area under its velocity-time graph C the gradient of its displacement-time graph D the gradient of its velocity-time graph
Mark scheme: D
Q7 · An object has an initial velocity u
7 An object has an initial velocity u. It is subjected to a constant force F for t seconds, causing a constant acceleration a. The force is not in the same direction as the initial velocity. A vector diagram is drawn to find the final velocity v. u X v What is the length of side X of the vector diagram? A F B F t C at D u + at
Mark scheme: C
Q8 · A stone is dropped from the top of a tower of height 40 m
8 A stone is dropped from the top of a tower of height 40 m. The stone falls from rest and air resistance is negligible. What time is taken for the stone to fall the last 10 m to the ground? A 0.38 s B 1.4 s C 2.5 s D 2.9 s
Mark scheme: A
Q9 · What is meant by the weight of an object?
9 What is meant by the weight of an object? A the gravitational field acting on the object B the gravitational force acting on the object C the mass of the object multiplied by gravity D the object’s mass multiplied by its acceleration
Mark scheme: B
Q10 · The graph shows the variation with time of the momentum of a ball as it is kicked in a…
10 The graph shows the variation with time of the momentum of a ball as it is kicked in a straight line. p1 momentum 0 0 t1 t2 time p2 Initially, the momentum is p1 at time t1. At time t2 the momentum is p2. What is the magnitude of the average force acting on the ball between times t1 and t2? A p 1 − p 2 B p 1 − p 2 C p 1 + p 2 D p 1 + p 2 t 2 t 2 − t 1 t 2 t 2 − t 1
Mark scheme: B
Q11 · A lorry of mass 20 000 kg is travelling at 20.0 m s–1
11 A lorry of mass 20 000 kg is travelling at 20.0 m s–1. A car of mass 900 kg is travelling at 30.0 m s–1 towards the lorry. 20.0 m s _1 30.0 m s _1 mass of lorry mass of car 20 000 kg 900 kg What is the magnitude of the total momentum? A 209 kN s B 373 kN s C 427 kN s D 1045 kN s
Mark scheme: B
Q12 · The diagram shows the masses and velocities of two trolleys about to collide
12 The diagram shows the masses and velocities of two trolleys about to collide. 4 m s–1 1 m s–1 2 kg 4 kg After the impact they move off together. What is the total kinetic energy of the trolleys after the collision? A 1.3 J B 12 J C 18 J D 19 J
Mark scheme: B
Q13 · Two 8.0 N forces act at each end of a beam of length 0.60 m
13 Two 8.0 N forces act at each end of a beam of length 0.60 m. The forces are parallel and act in opposite directions. The angle between the forces and the beam is 60 °. 8.0 N 60° 0.60 m 60° 8.0 N What is the torque of the couple exerted on the beam? A 2.4 N m B 4.2 N m C 4.8 N m D 9.6 N m
Mark scheme: B
Q14 · Which expression defines power?
14 Which expression defines power? A force × distance moved in the direction of the force B force × velocity C work done ÷ time taken D work done × time taken
Mark scheme: C
Q15 · The density of mercury is 13.6 × 103 kg m–3
15 The density of mercury is 13.6 × 103 kg m–3. The pressure difference between the bottom and the top of a column of mercury is 100 kPa. What is the height of the column? A 0.75 m B 1.3 m C 7.4 m D 72 m
Mark scheme: A
Q16 · Which group of statements applies only to the liquid state?
16 Which group of statements applies only to the liquid state? A B atoms separated by many atomic diameters atoms separated by many atomic diameters positions of atoms can change atoms are in fixed positions atoms vibrate atoms are in continuous, random motion C D atoms can touch each other atoms can touch each other positions of atoms can change atoms are in fixed positions some random motion of atoms some random motion of atoms
Mark scheme: C
Q17 · A piece of copper is drawn into a continuous wire
17 A piece of copper is drawn into a continuous wire. What behaviour is the copper exhibiting? A brittle only B elastic only C plastic only D both brittle and elastic
Mark scheme: C
Q18 · The force-extension graph of a particular sample of rubber as a load is applied and then…
18 The force-extension graph of a particular sample of rubber as a load is applied and then removed is shown. force 0 0 extension What does the shaded area represent? A the energy transformed into heat during the complete cycle B the recoverable elastic potential energy stored at maximum extension C the work done on the sample while loading D the work done on the sample while unloading
Mark scheme: B
Q19 · A spring of unextended length 0.50 m is stretched by a force of 2.0 N to a new length of…
19 A spring of unextended length 0.50 m is stretched by a force of 2.0 N to a new length of 0.90 m. The variation of its length with tension is as shown. 2.0 tension / N 0 0 0.50 0.90 length / m How much strain energy is stored in the spring? A 0.40 J B 0.80 J C 0.90 J D 1.8 J
Mark scheme: A
Q20 · A simple crane consists of a rigid vertical pillar supporting a horizontal beam
20 A simple crane consists of a rigid vertical pillar supporting a horizontal beam. Y Z W X A weight W is lifted by a rope at the end of the beam. What are the forces at points X, Y and Z due to the weight W? force at X force at Y force at Z A tension compression tension B tension tension compression C compression tension compression D compression compression compression
Mark scheme: B
Q21 · Which of the following types of wave can be polarised?
21 Which of the following types of wave can be polarised? A a longitudinal progressive wave B a longitudinal stationary wave C a transverse stationary wave D a transverse sound wave
Mark scheme: C
Q22 · Sound wave X has intensity 1012 times greater than that of sound wave Y
22 Sound wave X has intensity 1012 times greater than that of sound wave Y. By how much is the amplitude of X greater than the amplitude of Y? A 106 times B 3.16 × 106 times C 5 × 1011 times D 1012 times
Mark scheme: A
Q23 · The graph shows the shape at a particular instant of part of a transverse wave travelling…
23 The graph shows the shape at a particular instant of part of a transverse wave travelling along a string. P S displacement Q 0 distance along string R Which statement about the motion of points in the string is correct? A The speed at point P is a maximum. B The displacement at point Q is always zero. C The energy at point R is entirely kinetic. D The acceleration at point S is a maximum.
Mark scheme: D
Q24 · The diagram illustrates part of the electromagnetic spectrum
24 The diagram illustrates part of the electromagnetic spectrum. high visible low 1 2 frequencies frequencies Which labels are correct for the regions marked 1 and 2? 1 2 A infrared X-rays B microwaves X-rays C ultraviolet microwaves D X-rays infrared
Mark scheme: D
Q25 · The diagram represents a stationary wave on a stretched string
25 The diagram represents a stationary wave on a stretched string. x P What is represented by point P and by the length x? point P length x A antinode one wavelength B antinode two wavelengths C node one wavelength D node two wavelengths
Mark scheme: C
Q26 · A two-slit arrangement is set up to produce interference fringes on a screen
26 A two-slit arrangement is set up to produce interference fringes on a screen. The fringes are too close together for convenient observation when a monochromatic source of violet light is used. In which way would it be possible to increase the separation of the fringes? A Decrease the distance between the screen and the slits. B Increase the distance between the two slits. C Increase the width of each slit. D Use a monochromatic source of red light.
Mark scheme: D
Q27 · A stationary longitudinal wave is set up in a pipe
27 A stationary longitudinal wave is set up in a pipe. In the diagrams below, the length of each arrow represents the amplitude of the motion of the air molecules, and the arrow head shows the direction of motion at a particular instant. Which diagram shows a stationary wave in which there are two nodes and two antinodes? A B C D
Mark scheme: A
Q28 · Which diagram represents the electric field of a negative point charge, shown by • ?
28 Which diagram represents the electric field of a negative point charge, shown by • ? A B C D
Mark scheme: D
Q29 · An electron, travelling horizontally at constant speed in a vacuum, enters a vertical…
29 An electron, travelling horizontally at constant speed in a vacuum, enters a vertical electric field between two charged parallel plates as shown. + + + + + electron electric field – – – – – What are the horizontal and vertical components of the motion of this electron when it is in the field? horizontal component of vertical component of motion motion A constant speed acceleration upwards B constant speed acceleration downwards C acceleration to the right acceleration downwards D acceleration to the right acceleration upwards
Mark scheme: A
Q30 · The electric field strength between a pair of parallel plates is E
30 The electric field strength between a pair of parallel plates is E. The separation of the plates is doubled and the potential difference between the plates is increased by a factor of four. What is the new electric field strength? A E B 2E C 4E D 8E
Mark scheme: B
Q31 · What is a correct statement of Ohm’s law?
31 What is a correct statement of Ohm’s law? A The potential difference across a component equals the current providing the resistance and other physical conditions stay constant. B The potential difference across a component equals the current multiplied by the resistance. C The potential difference across a component is proportional to its resistance. D The potential difference across a component is proportional to the current in it providing physical conditions stay constant.
Mark scheme: D
Q32 · The current in a resistor is 8.0 mA
32 The current in a resistor is 8.0 mA. What charge flows through the resistor in 0.020 s? A 0.16 mC B 1.6 mC C 4.0 mC D 0.40 C
Mark scheme: A
Q33 · A cell of e.m.f
33 A cell of e.m.f. 2.0 V and negligible internal resistance is connected to the network of resistors shown. 5.0 kΩ 2.0 kΩ 2.0 V P Q 5.0 kΩ 3.0 kΩ S V1 is the potential difference between S and P. V2 is the potential difference between S and Q. What is the value of V1 – V2? A +0.50 V B +0.20 V C –0.20 V D –0.50 V
Mark scheme: C
Q34 · A circuit is set up with an LDR and a fixed resistor as shown
34 A circuit is set up with an LDR and a fixed resistor as shown. 5 k Ω 9 V V The voltmeter reads 4 V. The light intensity is increased. What is a possible voltmeter reading? A 3 V B 4 V C 6 V D 8 V
Mark scheme: A
Q35 · In the circuit below, the battery converts an amount E of chemical energy to electrical…
35 In the circuit below, the battery converts an amount E of chemical energy to electrical energy when charge Q passes through the resistor in time t. Which expressions give the e.m.f. of the battery and the current in the resistor? e.m.f. current A EQ Q / t B EQ Qt C E / Q Q / t D E / Q Qt
Mark scheme: C
Q36 · A battery has an e.m.f
36 A battery has an e.m.f. of 3.0 V and an internal resistance of 2.0 Ω. 3.0 V battery 2.0 Ω 4.0 Ω The battery is connected to a load of 4.0 Ω. What are the terminal potential difference V and output power P? V / V P / W A 1.0 0.50 B 1.0 1.5 C 2.0 1.0 D 2.0 1.5
Mark scheme: C
Q37 · A researcher has two pieces of copper of the same volume
37 A researcher has two pieces of copper of the same volume. All of the first piece is made into a cylindrical resistor P of length x. x resistor P current All of the second piece is made into uniform wires each of the same length x which he connects between two bars of negligible resistance to form a resistor Q. x resistor Q current bar of negligible resistance wires How do the electrical resistances of P and Q compare? A P has a larger resistance than Q. B Q has a larger resistance than P. C P and Q have equal resistance. D Q may have a larger or smaller resistance than P, depending on the number of wires made.
Mark scheme: C
Q38 · A detector is exposed to a radioactive source
38 A detector is exposed to a radioactive source. Fluctuations in the count-rate are observed. What do these fluctuations indicate about radioactive decay? A It is random. B It is spontaneous. C It is exponential. D It is non-linear.
Mark scheme: A
Q39 · The symbol 77 Ge represents a nucleus of germanium that decays to a nucleus of arsenic by…
39 The symbol 77 Ge represents a nucleus of germanium that decays to a nucleus of arsenic by 32 emitting a β-particle. What is the symbol of this arsenic nucleus? A 76 As B 78 As C 78 As D 77 As 32 32 31 33
Mark scheme: D
Q40 · Each of the nuclei below is accelerated from rest through the same potential difference
40 Each of the nuclei below is accelerated from rest through the same potential difference. Which one completes the acceleration with the lowest speed? A 1 1H B 4 2He C 7 3Li D 9 4Be
Mark scheme: C
What was in this paper
The subtopics covered by these 40 questions, and how many questions each got. Open one in a new tab to see every Cambridge question on it.
3Elastic and plastic behaviour2Equations of motion2Errors and uncertainties2Potential dividers2Progressive waves2Resistance and resistivity2SI units2Stationary waves2Uniform electric fields2Atoms, nuclei and radiation1Density and pressure1Electric current1Electric fields and field lines1Electromagnetic spectrum1Energy conservation1Equilibrium of forces1Force on a moving charge1Interference1Kinetic theory of gases1Momentum and Newton’s laws of motion1Physical quantities1Polarisation1Potential difference and power1Practical circuits1Radioactive decay1Scalars and vectors1Stress and strain1Turning effects of forces1What you needed in this session
Cambridge’s own grade thresholds for 2007 May/June, Paper 1 · Variant 1. A higher threshold means an easier paper — the bar moves with how the cohort did.