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GCSE OCR Physics B Paper 2
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#1. Is time a vector or a scalar?
#2. If a current travelling along a wire changes direction, does the magnetic field also change direction?
#3. What the the least dense state of matter?
#4. Overexposure to ultraviolet light could cause which of the following problems?
#5. Is mass a vector or a scalar?
#6. Which of the following statements is correct?
#7. Is coal renewable?
#8. What state of matter has particles which are close together and vibrate around fixed positions?
#9. Complete the sentence: Newton’s Second Law defines inertial mass. Inertial mass is a measure of how difficult it is to change the …….. of an object.
#10. Is velocity a vector or a scalar?
#11. What is this component?
#12. Find the volume of a silver block that has a mass of 159g and a density of 10.49 g/cm³. Give your answer in cm³ and to 1 decimal place.
#13. What does E represent in the equation for work done?
#14. What is a beta particle?
#15. Our eyes can detect certain frequencies of light, what do we call these frequencies?
#16. Where is most of the mass of an atom?
#17. What is the rate of acceleration in freefall?
#18. Are most light waves visible to the human eye?
#19. What is this component?
#20. Complete the equation for power. Power (W) = work done (J) / ……..
#21. Using the equation ρ = m/V, calculate the density of a gold bar that has a mass of 25kg and a volume of 0.0013m³. Answer to 1 decimal place and give your answer in kg/m³. ? The units for density are kg/m³, do not include them in your answer
#22. What is amplitude?
#23. A car makes a journey to the shop and back. Calculate the overall displacement travelled by the car.
#24. Magnesium is a magnetic material – true or false?
#25. Complete the sentence: different substances may absorb, transmit, refract or reflect electromagnetic waves in ways that vary with …….
#26. Which of the following is an advantage of using nuclear fission power plants?
#27. How can we upgrade our windows to reduce heat loss?
#28. True or False – Magnetic field lines that are far apart represent the strongest part of the field?
#29. What is the function of a diode?
#30. How is renewable energy usage changing as a percentage of total energy production worldwide?
#31. Complete the equation for weight. W = m x ……..
#32. What is this component?
#33. True or False – Magnetic field lines are used to show how a single north pole would move from north to south?
#34. Which greek letter represents density?
#35. Which of the following are uses for magnets?
Select all that apply:
#36. The equation for work done is E = F x d. Calculate the distance moved when a 650 J of work is done to move a 160 N object. Leave your answer to 1 d.p and include the units. ? Do not include your workings in your answer
#37. Which form of radiation is moderately ionising?
#38. What the the most dense state of matter?
#39. Is acceleration a vector or a scalar?
#40. True or false – microwave radiation at certain frequencies could cause the internal heating of cells in our bodies?
#41. What is an isotope?
#42. What is an ion?
#43. What is potential difference measured in?
#44. The needles of plotting compasses are tiny magnets – they always point near the Earth’s North Pole – why is this?
#45. Which device can you use to find the direction of a magnetic field?
#46. Which is the correct definition for renewable energy resources?
#47. When a light wave enters glass or water from the air, does it refract towards or away from the normal line?
#48. Is this statement correct? When measuring momentum, if two objects are travelling in opposite directions, one object will be given a negative momentum (e.g. – 250 kg m/s).
#49. Using the equation: Efficiency = useful energy/total energy, calculate the efficiency in the following scenario. Useful energy = 55 J, Total energy = 100 J. Answer to 2dp.
#50. When objects with motion collide, the total momentum will be the same after the collision as before the collision. There is no change in overall momentum. What do we call this Law of Physics?
#51. What is the purpose of the live wire in a plug?
#52. How can electrons change orbits?
#53. How is fossil fuel usage changing as a percentage of total energy production worldwide?
#54. Cobalt is a magnetic material – true or false?
#55. Do ultraviolet rays have longer wavelengths than infrared waves?
#56. Which of the following is an advantage of crude oil?
#57. What do we call the boundary between two different mediums?
#58. What is the function of a voltmeter?
#59. Why does the temperature of a material stay constant during the transition from liquid to gas?
#60. What do we call energy that is stored in twisted or stretched materials?
#61. Which factors does the angle of refraction depend on?
Select all that apply:
#62. Which scientist proposed the Plum Pudding Model?
#63. The melting point of gallium is 29.8˚C and the boiling point is 2204˚C. What state is gallium at 25˚C?
#64. Which process transfers heat using electromagnetic waves?
#65. Does a circuit need to be closed for current to flow?
#66. An electric motor does 70,000 J of work in 200 s. Calculate the Power of this action. Include the units and answer to 1d.p ? Do not include your workings in your answer
#67. Vectors have which of the following quantities?
#68. How is gravitational potential energy stored?
#69. Which component is described: A glass tube with a thin wire inside that melts if too much current passes through it, breaking the circuit.
#70. Aluminium is a magnetic material – true or false?
#71. Which of the following is the correct equation for momentum?
#72. What is the function of an ammeter?
#73. What is this component?
#74. What do we call energy that is stored in chemicals?
#75. How do crumple zones and airbags in cars protect people inside the car in a crash?
#76. What state of matter has particles which are far apart and move around independently?
#77. Calculate the momentum of a vehicle with a mass of 1500kg and a velocity of 35m/s. Add the units “kg m/s” after your answer ? momentum equation is available in the description below the quiz
#78. A student sets up a parallel circuit with two lamps, two switches and a power source. Each lamp is on a separate route, with a switch placed before it. If one switch is turned off, will the lamp on the other route remain on?
#79. What is the name of the phase change from gas to liquid?
#80. What is the purpose of the earth wire in a plug?
#81. How is kinetic energy stored?
#82. Is natural gas a fossil fuel?
#83. Which of the following is a difference between circuit breakers and fuses?
#84. Which of the following can affect braking distances? ? 5
Select all that apply:
#85. What is an electrical fault?
#86. Kate and Emma both walk up 10 stairs, moving 4.5m higher than before. Emma does this in 2.7 seconds, Kate does this in 3.2 seconds. Which girl has exerted the most power?
#87. Cavity walls are often used to reduce heat loss through walls – why is this effective?
#88. Energy can be transferred to useful and non-useful forms. Which of the following are non-useful transfers of energy?
Select all that apply: