FINAL PAPER 1 Q1. Which physicist is best known for his theory of gravity? A: James Chadwick B: Louis de Broglie C: Isaac Newton D: James Hooke Q2. Which of these is a unit for energy? A: newton B: coulomb C: watt D: joule Q3. What speed do radio waves travel in air? A: Speed of sound B: Speed of light C: Speed depends on the frequency of the radio waves D: Speed depends on the type of transmitter Q4. Which is the correct electrical circuit symbol for a variable resistor? A: B: C: D: Q5: What is this piece of equipment usually used to measure? A: Mass B: Volume C: Temperature D: Resistance Q6. How would 135.6 km be stated in metres? A: 135 600 m B: 13 560 m C: 1 356 000 m D: 1356 m Q7. Which theory is Ernest Rutherford most famous for developing? A: the theory of relativity B: a model of the atom C: the laws of thermodynamics D: electromagnetism equations Q8. What is the next object in this sequence; Mars, Jupiter, Saturn,…? A: Earth B: Neptune C: Uranus D: Pluto Q9. Which equation would you use to calculate the speed of an object which is not accelerating? A: speed = distance + time B: speed = distance – time C: speed = distance / time D: speed = distance x time Q10. The acceleration due to gravity at the Earth’s surface is 10 m/s2. What units could it also be measured in? A: N/kg B: J/kg C: kg/ms D: W Q11. Which of these graphs demonstrates a linear relationship between the x and y axis? A: B: C: D: Q12. A heat source is used to raise the temperature of 0.6 kg of a material from 25 oC to 85 oC. What would be the final temperature if, instead, the same energy transfer was used to heat 0.9 kg of the same substance also starting at 25 oC? A: 40 oC B: 45 oC C: 65 oC D: 85 °C Q13. The graph below shows a distance time graph for a short journey. Which section of the graph show the greatest velocity? A: B: C: D: Q14. Which of the following best explains the four different seasons experienced in the UK over a period of one year? A: the Earth’s elliptical orbit around the Sun B: the Moon orbiting the Earth C: solar flares D: the tilt of the Earth Q15. A light ray is incident on a rectangular glass block at an angle of 10 degrees to the normal. What best describes what happens to the light ray? A: stopped B: refracted C: diffracted D: scattered Q16. A vacuum flask (sometimes called a thermos flask, for keeping liquids either hot or cold) reduces heat transfer to or from the contents. Which of the following are minimised by the ‘vacuum’ part of the flask? A: radiation B: conduction and convection C: convection D: conduction and radiation Q17. Below is a table of data showing the cost of installing different brands of double glazing along with the annual energy saving for each one. Which brand of double glazing has the shortest payback time? Brand Installation cost (pounds) Annual saving (pounds) Alpha windows 1750 250 Beta furnishings 3800 500 Gamma design 1190 190 Delta glazing 6720 345 A: Alpha windows B: Beta furnishings C: Gamma design D: Delta glazing Q18. Which equation below is used to calculate the density of a substance? A: mass x volume B: mass x volume x gravity C: mass / volume D: volume / mass Q19. For a fossil fuel power station which of these is in the correct order of energy transfer? A: boiler --> transformer --> turbine --> generator B: transformer --> generator --> turbine --> boiler C: generator --> transformer --> boiler --> turbine D: boiler --> turbine --> generator --> transformer Q20. The diagram below shows an electrical circuit. What happens to the brightness of bulb Q when the switch S is opened? A: gets dimmer B: stays the same C: gets brighter D: decreases to zero Q21: An electric motor has a power of 85 W and a voltage of 230 V. What is the current in the motor? A: 19 550 A B: 315 A C: 0.37 A D: 2.71 A Q22. A hairdryer has a power of 1300 W and is used for 10 minutes every day. If electricity costs 15p per kWh (kW hour) how much does the use of this hairdryer cost each week to the nearest penny? A: 23p B: 1365p C: 1p D: 3p Q23. A rollercoaster of mass 600 kg is raised by 22 m. What is the work done on the rollercoaster? (Assume g = 10 N/kg) A: 13200 J B: 132 000 J C: 270 J D: 1320 J Q24. What is the potential difference, between P and Q, provided by these three identical 1.5 V cells? A: 0 V B: 1.5 V C: 3 V D: 4.5 V Q25. What would be the mass of six 420 kg containers on the planet Saturn. (on Saturn g = 9.0 N/kg) A: 420 kg B: 3780 kg C: 2520 kg D: 22 680 kg Q26. A 55 kg boy is standing stationary on a 1.7 kg skateboard. He jumps off the skateboard with a velocity of 0.9 m/s. What is the velocity of the skateboard in the opposite direction? A: 29 m/s B: 63 m/s C: 48 m/s D: 2 m/s Q27. What is the specific heat capacity of a 2.6 kg metal block which goes from 25 °C to 100 °C when given 134.5 kJ of energy? A: 280 J/(kg °C) B: 475 J/(kg °C) C: 690 J/(kg °C) D: 845 J/(kg °C) Q28. A student is investigating the behaviour of spring systems. There are two identical springs each with a spring constant k. If the student arranges the springs in series (see diagram) and added a load, what would the spring constant of the system be? A: 2k B: k C: 3/2k D: k/2 Q29. Four resistors, each having resistance of 50 Ω, are connected to form a square. A resistance meter measures the resistance between different corners of the square. Determine the resistance recorded by the meter when connected between P and Q. A: 50 Ω B: 100 Ω C: 150 Ω D: 200 Ω Q30. Two lamps are connected with a fixed resistor, as shown. What is the current through the fixed resistor? A: 1.25 A B: 0.42 A C: 0.63 A D: 0.83 A FINAL PAPER 2 Q1. Who is this physicist? A: Albert Einstein B: Stephen Hawking C: Edwin Hubble D: Niels Bohr Q2. Which of these is a unit for charge? A: newton B: coulomb C: watt D: joule Q3. Which thermometer shows the highest temperature? A B C D Q4. Which is the correct electrical circuit symbol for an ammeter? A: B: C: D: Q5: What would you measure with an ammeter? A: voltage B: energy C: current D: resistance Q6. Which statement about the Earth is correct? A: it orbits the Sun once every 24 hours B: it is the closest planet to the Sun C: it is the closest planet to Neptune D: it has a magnetic field Q7. What is the resultant force on the box? A: 0 N B: 5 N to the right C: 5 N to the left D: 10 N upwards Q8. What is this used to measure? A: mass B: temperature C: voltage D: length Q9. A lawnmower uses energy stored in petrol. The engine transfers some of this energy usefully to cut the grass. The remainder of the energy is mostly transferred as: A: magnetic B: nuclear C: thermal D: elastic potential Q10. Which of these surfaces would be the best absorber of infrared radiation? A: shiny metal B: matt black C: matt white D: shiny white Q11. What is between Mars and Jupiter? A: the Sun B: the Earth C: Saturn D: the asteroid belt Q12. Which of these statements best illustrates the term “conservation of energy”? A: the total energy is the same before and after two objects collide B: the total energy always increases when two objects collide C: objects colliding use up all the energy D: the total energy always decreases when two objects collide Q13. Look at the table below which contains planetary data. Which planet is closest in size to the Earth? Planet Mass Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto (dwarf) (x1024 kg) 0.330 4.87 5.97 0.642 1899 568 86.8 102 0.0125 Diameter (km) 4879 12 104 12756 6794 142984 120 536 51118 49528 2390 Length of day (hours) 4222.6 2802.0 24.0 24.7 9.9 10.7 17.2 16.1 153.3 Distance from Sun (106 km) 57.9 108.2 149.6 227.9 778.6 1433.5 2872.5 4495.1 5870.0 Orbital Period (days) 88.0 224.7 365.2 687.0 4331 10747 30589 59800 90588 Orbital Velocity (km/s) 47.9 35.0 29.8 24.1 13.1 9.7 6.8 5.4 4.7 A: Mercury B: Venus C: Mars D: Uranus Q14. Look at the table above which contains planetary data. Which planet has the fastest rate of rotation about its axis? A: Jupiter B: Saturn C: Mercury D: Venus Q15. Which statement best describes diffraction? A: a wave slowing down B: a wave bouncing off a surface C: a wave spreading out D: a wave speeding up Q16. The diagram below shows a simple electromagnet. How could you increase the strength of the electromagnet? Source: Gina Clifford (cobalt_grrl on Flickr) https://commons.wikimedia.org/wiki/File:Homemade_Electromagnet.jpg A: swap the positive and negative terminals B: increase the number of turns on the coil around the nail C: add in a switch to the circuit D: change the nail for a piece of wood Q17. Which of these changes would make a light bulb connected in a circuit brighter? A: adding another bulb in parallel B: adding another bulb in series C: increasing the voltage of the power supply D: decreasing the voltage of the power supply Q18. Which of these best represents Newton’s second law of motion? A: Force = mass x volume B: Force = distance x time C: Force = mass x acceleration D: Force = mass x speed Q19. Uranium is used as a fuel for a nuclear power station. Which of these elements could also be used? A: copper B: polonium C: titanium D: plutonium Q20. Which term best describes a gas turning into a liquid? A: condensation B: evaporation C: melting D: freezing Q21: Identical pieces of cotton wool were soaked in one of three liquids, A, B and C, which have different boiling points. The same volume of liquid, at the same starting temperature, was used each time. The temperature of the cotton wool was measured during a ten minute period. Which liquid has the lowest boiling point? A: Liquid A B: Liquid B C: Liquid C D: All the same Q22. What is the useful power output of the Halogen bulb? Type of bulb Input power in watts Efficiency Halogen 40 0.15 Compact fluorescent (CFL) 14 0.42 LED 7 0.85 A: 267 W B: 6 W C: 40.15 W D: 39.85 W Q23.Which bulb has the highest useful power output? Type of bulb Input power in watts Efficiency Halogen 40 0.15 Compact fluorescent (CFL) 14 0.42 LED 7 0.85 A: Halogen B: Compact fluorescent (CFL) C: LED D: All the same Q24. Which of these stores of energy which can be used to generate electricity is the odd one out? A: wind B: coal C: wave D: tidal Q25. Water waves can be made by vibrating a wooden bar up and down in a tray of water. The bar moves up and down at a frequency of 5 hertz. Calculate the speed, in cm/s, of the water waves. A: 240 cm/s B: 9.6 cm/s C: 40 cm/s D: 1.6 cm/s Q26. A DVD player has a power of 20 W when it is left on standby. If it is left on standby for 7 days how much will this cost? (1 kWh costs 15 p) A: 3.4 p B: 50.4 p C: 2100 p D: 140 p Q27. A car travels at a constant speed of 30 m/s for 3 minutes. How far has the car travelled? A: 90 m B: 10 m C: 1800 m D: 5400 m Q28. A student added a load to a spring so it stretched. The load applied, in N, and the extension of the spring, in m, were recorded. This data gave the following graph. Calculate the spring constant. A: 2 N/m B: 10 N/m C: 20 N/m D: 50 N/m Q29. A girl is riding a bicycle and begins to go downhill. At the top of the hill she was travelling at 4 m/s and at the bottom she is travelling at 12 m/s. It takes 16 seconds for her to roll down the hill. What is her average acceleration? A: 0.25 m/s2 B: 0.50 m/s2 C: 0.75 m/s2 D: 1.00 m/s2 Q30. A builder drops a 3 kg mass from the top of a 100 m tower. How fast is it falling after 4 seconds? (assume g = 10 m/s2 ) A: 12 m/s B: 30 m/s C: 40 m/s D: 120 m/s