GCSE OCR Physics A Papers 1 and 3

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OCR Physics A Papers 1 and 3

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OCR Physics A Papers 1 and 3

Why not get a bit more practice with some physics quizzes and then come back and have another try!

#1. What is the name of the phase change from gas to liquid?

#2. What devices are used to determine the shape of a magnetic field?

#3. Magnesium is a magnetic material – true or false?

#4. When a substance changes from a solid to a liquid, what happens to the mass?

Stays the same because there has been no change in the number of particles. We say that the mass has been conserved.

#5. An object with a mass of 5kg is 100m above the ground and has 35 J of gravitational potential energy. What will happen to the gravitational potential energy if the mass was increased to 10kg?

#6. For circular motion to take place there must be a resultant force that acts towards the centre of the circle. What is the name of this force?

#7. 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

#8. Which scientist proposed the Plum Pudding Model?

#9. This image shows Flemming’s Left Hand Rule. Which of the following answers are the correct interpretations of the rule? ? Select three answers, one for each finger

#10. 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?

#11. What is this component?

#12. A crane raises a concrete bucket 12m into the air. The bucket including the cement weighs 850N. Calculate the work done. Answer to 1d.p and include the units. ? Do not include your workings in your answer

#13. Calculate the change in height of the tennis ball in the following scenario. A ball weighs 0.15kg – the change in GPE is 100 J – the gravitational field strength is 10N/kg. Answer to 1dp and include units. ? If you do not know the GPE equation, it is listed below the quiz

#14. What is happening to the speed of the object in the graph between 0 and 8 seconds?

#15. Does the total amount of current change from the positive to the negative terminal?

Because current is conserved.

#16. 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

#17. Which of the following describes the Plum Pudding Model of atomic structure?

#18. If an object is moving in a circular path – what is happening to its velocity?

#19. What is this component?

#20. Does a current flow if there is no source of potential difference?

#21. Is this a parallel or series circuit?

#22. Fill in the gap. In a parallel circuit, the current …… at a junction.

#23. What is the name of the phase change from liquid to gas?

#24. Acceleration is an increase in the rate of what?

#25. What is a battery?

#26. Are ammeters connected in series or in parallel?

#27. Using the kinetic energy equation – calculate the kinetic energy of a car with a mass of 1200kg travelling at 10 m/s. Include units. ? If you do not remember the kinetic energy equation it is listed below the quiz.

#28. What is the function of a cell?

#29. What is a resultant force?

#30. Copper is a magnetic material – true or false?

#31. Why does the temperature of a material stay constant during the transition from liquid to gas?

#32. What is the name of the phase change from gas to solid?

#33. What is this component?

#34. What is the function of a diode?

#35. Complete the sentence. Power is the rate at which…..

#36. What is this component?

#37. What is the function of a variable resistor?

#38. Which of the following is the correct equation for work done?

#39. What is current measured in?

#40. What is the approximate radius of a nucleus?

#41. What is this component?

#42. Calculate the acceleration of the object in the graph between 5 and 6 seconds.

This is a straight-line graph.

Calculate the gradient of a straight-line graph using the following:

y₂ – y₁ / x₂ – x₁

30-20/6-5 = 10m/s²

This is the same as a simpler version:

Rise/run

or vertical distance / horizontal distance

#43. What is the function of an ammeter?

#44. What does E represent in the equation for work done?

#45. If a car is moving but the forces are balanced – what will happen to the speed of the car?

#46. What is the name of the phase change from solid to liquid?

#47. Which of the following was the Rutherford Model of atomic structure?

#48. A coil of wire with current flowing through it is an electromagnet. What else do we call a coil of wire?

#49. Iron is a magnetic material – true or false?

#50. Magnets have north and south poles – if north and south poles are put close together what will happen?

#51. What is acceleration?

#52. Does a circuit need to be closed for current to flow?

#53. What is the function of an LED?

#54. Which theory do we use to describe states of matter?

#55. Which of the following equations is the correct way to make A the subject of the equation F = MA?

Take a look at this video on rearranging equations if you got this one wrong.

YouTube video

#56. In 1897 JJ. Thomson did a series of experiments that led to the discovery of which particles?

#57. Steel is a magnetic material – true or false?

#58. Where is most of the mass of an atom?

#59. Which of the following devices do we use to measure weight? ? 2 answers

Select all that apply:

#60. Ernest Rutherford fired positive particles at a thin gold foil and showed that most of atoms is empty space. Which particles did he fire at the gold foil?

#61. How is gravitational potential energy stored?

#62. Fill in the blank: A current flowing through a wire causes a ………. field.

#63. What is the force acting on a conductor carrying current at right angles to a magnetic field when: magnetic flux density = 0.005 T , current = 3 A and length of wire = 150m?

#64. True or False – Magnetic field lines are used to show how a single north pole would move from north to south?

#65. What is the freezing point of water?

#66. Calculate the overall distance travelled by the object in the graph.

#67. Which device can you use to find the direction of a magnetic field?

#68. Jack moves a cube weighing 250N. He moves the cube by 2.5m in a straight line. Calculate the work done by Jack. Answers to 1d.p, include the units. ? Do not include your workings in your answer

#69. What is the mass number of an element?

#70. Magnets have north and south poles – if two north poles are put close together what will happen?

#71. 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

#72. During Ernest Rutherford’s experiments with gold foil, why did some of the particles bounce back?

#73. Are gases fluids?

#74. This diagram shows the direction of a magnetic field caused by a current flowing through a conductor. Where is the magnetic field strongest?

#75. Cobalt is a magnetic material – true or false?

#76. What is the name of the phase change from solid to gas?

#77. Magnets have north and south poles – if two south poles are put close together what will happen?

#78. Determine the speed of the object between 1 and 3 seconds. ? answer to 2 decimal places

#79. What is Newton’s Second Law of Motion?

#80. Calculate the distance travelled by the runner in the velocity/time graph.

The area under the graph = distance travelled

Split the graph into triangles and rectangles and calculate the areas. Then add together the areas.

Area of a rectangle = Length x Height

Area of a triangle = 1/2 x Length x Height

90m 120m 180m = 390m

NOTE: the graph starts at one second and not 0. Don’t be fooled, look at the axes carefully before attempting a question.

#81. Which of the following are uses for magnets?

Select all that apply:

#82. 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.

#83. What the the least dense state of matter?

#84. Which greek letter represents density?

#85. What state of matter has particles which are close together and vibrate around fixed positions?

#86. Conventional current goes from:

#87. Why would a wire carrying a current experience a force near a magnetic field?

#88. Electrons are negatively charged, so they move to which terminal of a battery or cell?

#89. What is the equation for kinetic energy?

#90. Which of the following things were hypothesised by John Dalton in 1805? ? select 4 answers

Select all that apply:

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