GCSE OCR Physics A Papers 1 and 3 Automarked

#1. Is this a parallel or series circuit?

Series

Parallel

#2. What is this component?

#3. How is kinetic energy stored?

Stored as the potential to fall and become kinetic energy

Stored as increased mass

Stored as movement

Stored in gravitational bonds between particles

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

E = F / d

E = F x d

F = d x E

#5. 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.

#6. Using the equation F = MA – calculate the force of a ball with a mass of 15kg that is accelerated at 2m/s²?

10 Newtons

3 Newtons

360 Newtons

30 Newtons

#7. What is this component?

#8. What is this component?

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

sublimation

deposition

condensation

evaporation/boiling

melting

freezing

#10. What is this component?

#11. The melting point of gallium is 29.8˚C and the boiling point is 2204˚C. What state is gallium at 25˚C?

solid

liquid

gas

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

sublimation

condensation

deposition

evaporation/boiling

freezing

melting

#13. What is the boiling temperature of water?

55˚C

25˚C

66.5˚C

10˚C

30˚C

100˚C

#14. 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?

gamma rays

beta particles

alpha particles

#15. A student sets up a series circuit that has two filament lamps, a power source and a switch after the first lamp. Can the first lamp be turned off whilst keeping the second lamp on?

No

Yes

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

will decelerate

will stay constant

will accelerate

#17. What state of matter has particles which are far apart and move around independently?

solids

liquids

gases

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

A central nucleus containing protons and neutrons, surrounded by electrons at discrete energy levels (shells)

A mass of positively charged material with negatively charged electrons distributed throughout it

#19. What is this component?

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

No change

Deceleration

Acceleration

#21. 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

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

true

false

#23. What do we call the energy transferred by a force?

State change

Work done

Power shift

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

liquids

gases

solids

#25. What is Newton’s First Law of Motion?

F = MA

objects in motion stay in motion and objects at rest stay at rest (unless acted upon by a resultant force)

every action has an equal and opposite reaction

#26. Complete the equation for power. Power (W) = work done (J) / ……..

distance (m)

weight (N)

time taken (s)

#27. Why did Ernest Rutherford’s experiments with gold foil demonstrate that most of atoms consists of empty space?

Most of the atoms were deflected or bounced back

Most of the atoms passed straight through the foil

Most of the particles were destroyed when they met protons in the nucleus

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

in the nucleus

orbiting the nucleus in the electrons

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

#30. What is the function of a fuse?

safety component which can break a faulty circuit

makes or breaks a circuit

measures potential difference

provides a constant resistance

provides variable resistance

releases light

two or more cells in a circuit

measures current

allows current to only flow one way

gives power to a circuit

#31. What is the function of a switch?

releases light

gives power to a circuit

measures potential difference

makes or breaks a circuit

two or more cells in a circuit

provides a constant resistance

measures current

provides variable resistance

safety components which can break a faulty circuit

allows current to only flow one way

#32. Is this statement true or false? As potential difference increases, the current across a component increases?

True

False

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

they will repel

nothing will happen

they will attract

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

condensation

evaporation/boiling

deposition

melting

freezing

sublimation

#35. What state of matter has particles which are close together and move around each other?

gases

liquids

solids

#36. 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

#37. What is this component?

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

condensation

evaporation/boiling

sublimation

melting

deposition

freezing

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

potometers

plotting compasses

carrot-toppers

magnetopipes

#40. Which of the following best describes energy?

Energy is the rate at which electricity is transferred

Energy is the ability to do work - make things change

Energy is the force we use to measure how far things move

#41. What is this component?

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

the total number of subatomic particles in an atom

the number of protons plus neutrons

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

true

false

#44. What is current measured in?

Amperes or Amps

Volts

Ohms

Coulombs

#45. What is this component?

#46. 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?

Coriolis Force

Centripital Force

Centrifugal Force

#47. 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

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

false

true

#49. The force on a conductor carrying current at right angles to a magnetic field is expressed by which of the following equations?

F = magnetic flux density x resistance x current

F = magnetic flux density / current x length

F = magnetic flux density x current x length

#50. A current carrying conductor placed near a magnet experiences a force. The magnet also experiences a force, which is the best description of this force?

Unequal and parallel

Equal and perpendicular

Equal and opposite

Unequal and opposite

#51. 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.

#52. What is Newton’s Third Law of Motion?

every action has an equal and opposite reaction

objects in motion stay in motion and objects at rest stay at rest

F = MA

#53. True or False – Magnetic field lines that are far apart represent the strongest part of the field?

false

true

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

A potometer

A plotting compass

An anemometer

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

A mass of positively charged material with negatively charged electrons distributed throughout it

A central nucleus containing protons and neutrons, surrounded by electrons

#56. The needles of plotting compasses are tiny magnets – they always point near the Earth’s North Pole – why is this?

the Earth has a magnetic core

magnets always point upwards

the Earth is round

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

1 x 10⁻⁴

1 x 10⁻⁵

1 x 10⁻¹⁵

1 x 10⁻³

#58. What is the function of an ammeter?

gives power to a circuit

measures potential difference

measures current

#59. Which greek letter represents density?

m

V

ρ

#60. Complete the equation for weight. W = m x ……..

Gravitational field strength

Momentum

Time

Speed

#61. An object with a mass of 5kg is raised to 100m above the ground and has 500 J of gravitational potential energy. What will happen to the gravitational potential energy if the mass was increased to 16.3kg? Calculate the change in GPE where the gravitational field strength is 1 N/kg. Include units. ? If you do not know the GPE equation, it is listed below the quiz

#62. In an equilibrium situation – the forces between two objects are?

converging

diverging

unequal

equal

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

The copper in the wire is magnetic and naturally experiences magnetic forces in the presence of a magnetic field

The current in the wire creates a magnetic field - this interacts with the other magnetic field, making magnetic forces

#64. What is this component?

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

measures current

provides variable resistance

makes or breaks a circuit

two or more cells in a circuit

allows current to only flow one way

safety component which can break a faulty circuit

releases light

provides a constant resistance

gives power to a circuit

measures potential difference

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

true

false

#67. A car makes a journey to the shop and back. Calculate the overall displacement travelled by the car.

#68. What is acceleration?

Increase in distance

Change in the rate of velocity

Change in the rate of displacement

#69. What is the function of a resistor?

releases light

provides a constant resistance

gives power to a circuit

two or more cells in a circuit

makes or breaks a circuit

safety component which can break a faulty circuit

measures current

provides variable resistance

measures potential difference

allows current to only flow one way

#70. Calculate the acceleration of an object which has the following characteristics. Use the following equation v² − u² = 2 a x. Final velocity = 50m/s, Initial velocity 0m/s, Distance travelled = 350m

2.65 m/s²

3.57 m/s²

1250 m/s²

25 m/s²

Rearrange the equation to the following and then substitute in the correct values:

a = v² – u²

2 x

Where:

a = acceleration

v² = final velocity squared

u² = initial velocity squared

x = distance

#71. What is the equation for kinetic energy?

1

KE = mass x speed x time²

KE = 2.5 x mass x speed²

KE = 1/2 x mass x speed²

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

Bose-Einstein Condensates

gases

liquids

solids

#73. 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?

2.25 N

5 N

1.76 N

#74. If a car experiences a resultant force in the forwards direction, what will happen to the motion of the car?

It will decelerate forwards

It will accelerate forwards

It will move backwards at constant speed

#75. Conventional current goes from:

Negative terminal to positive terminal

Positive terminal to negative terminal

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

Select all that apply:

generators

confusing mice so they get lost in mazes

measuring the melting points of different liquids

electric motors

loudspeakers

checking food for excess radiation

#77. What is a battery?

provides a constant resistance

two or more cells in a circuit

makes or breaks a circuit

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

Positive

Negative

#79. How is gravitational potential energy stored?

Stored as the potential to fall and become kinetic energy

Stored as movement

Stored as increased mass

Stored in gravitational bonds between particles

#80. 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?

No

Yes

#81. What is this component?

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

nothing will happen

they will attract

they will repel

#83. What is the rate of acceleration in freefall?

#84. When two magnets are placed alongside each other – what is the best way to describe the shape of the magnetic field they produce?

2-dimentional

uniform

erratic

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

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

No

Yes

Yes, but only if there is more than 1 component in the circuit

Because current is conserved.

#87. Are voltmeters connected in parallel or series?

Series

Parallel

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

F = MA

objects in motion stay in motion and objects at rest stay at rest

every action has an equal and opposite reaction

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

The mass stays the same

The mass decreases

The mass increases

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

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

Alpha particles are positively charged, they were deflected when they met the positively charged protons in the nucleus

He fired electrons at the gold foil and when they met protons they were reflected back

Alpha particles behave in unpredictable ways and can randomly change direction due to quantum effects

GCSE OCR Physics A Papers 1 and 3

Results

#1. Is this a parallel or series circuit?

#2. What is this component?

#3. How is kinetic energy stored?

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

#5. 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.

#6. Using the equation F = MA – calculate the force of a ball with a mass of 15kg that is accelerated at 2m/s²?

#7. What is this component?

#8. What is this component?

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

#10. What is this component?

#11. The melting point of gallium is 29.8˚C and the boiling point is 2204˚C. What state is gallium at 25˚C?

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

#13. What is the boiling temperature of water?

#14. 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?

#15. A student sets up a series circuit that has two filament lamps, a power source and a switch after the first lamp. Can the first lamp be turned off whilst keeping the second lamp on?

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

#17. What state of matter has particles which are far apart and move around independently?

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

#19. What is this component?

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

#21. 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

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

#23. What do we call the energy transferred by a force?

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

#25. What is Newton’s First Law of Motion?

#26. Complete the equation for power. Power (W) = work done (J) / ……..

#27. Why did Ernest Rutherford’s experiments with gold foil demonstrate that most of atoms consists of empty space?

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

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

#30. What is the function of a fuse?

#31. What is the function of a switch?

#32. Is this statement true or false? As potential difference increases, the current across a component increases?

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

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

#35. What state of matter has particles which are close together and move around each other?

#36. 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

#37. What is this component?

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

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

#40. Which of the following best describes energy?

#41. What is this component?

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

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

#44. What is current measured in?

#45. What is this component?

#46. 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?

#47. 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

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

#49. The force on a conductor carrying current at right angles to a magnetic field is expressed by which of the following equations?

#50. A current carrying conductor placed near a magnet experiences a force. The magnet also experiences a force, which is the best description of this force?

#51. 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.

#52. What is Newton’s Third Law of Motion?

#53. True or False – Magnetic field lines that are far apart represent the strongest part of the field?

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

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

#56. The needles of plotting compasses are tiny magnets – they always point near the Earth’s North Pole – why is this?

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

#58. What is the function of an ammeter?

#59. Which greek letter represents density?

#60. Complete the equation for weight. W = m x ……..

#62. In an equilibrium situation – the forces between two objects are?

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

#64. What is this component?

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

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

#67. A car makes a journey to the shop and back. Calculate the overall displacement travelled by the car.

#68. What is acceleration?

#69. What is the function of a resistor?

#70. Calculate the acceleration of an object which has the following characteristics. Use the following equation v² − u² = 2 a x. Final velocity = 50m/s, Initial velocity 0m/s, Distance travelled = 350m

#71. What is the equation for kinetic energy?

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

#73. 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?

#74. If a car experiences a resultant force in the forwards direction, what will happen to the motion of the car?

#75. Conventional current goes from:

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

#77. What is a battery?

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

#79. How is gravitational potential energy stored?