GCSE OCR Physics B Paper 2 Automarked Mock

#1. Which of the following are reasons why hydroelectric dams are problematic?

Select all that apply:

stops navigation by boats

stops migrations of fish

can flood villages or important ecosystems

they produce a very reliable amount of energy on demand

alters the flow of sediment on a river

#2. What is the purpose of the neutral wire in a plug?

Connects the appliance to the power supply

Provides a return path to the power supply from the appliance

Provides an alternative (low resistance) path for the current in the case of a fault

#3. True or false – x-rays and gamma rays can cause DNA mutations or damage to cells in the body?

true

false

#4. Which form of radiation is moderately ionising?

beta particles

gamma rays

alpha particles

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

solids

Bose-Einstein Condensates

gases

liquids

#6. How is renewable energy usage changing as a percentage of total energy production worldwide?

staying the same

falling

rising

#7. Which of the following is the source of oil and gas?

dead plankton from millions of years ago

dead and buried plant material from millions of years ago

nuclear decay from millions of years ago

#8. Which is the correct definition for non-renewable energy resources?

they are replaced and are inexhaustible

they are infinite

they are not replaced and are exhaustible

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

they will attract

they will repel

nothing will happen

#10. 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

#11. Is tidal power renewable?

partially

yes

no

#12. What is wavelength?

how far from the equilibrium point the wave has oscillated

the maximum displacement of a wave

the distance of one entire oscillation

the time taken for a full oscillation

the number of waves passing a point each second

#13. Do radio waves have longer wavelengths than microwaves?

No

Yes

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

in the nucleus

orbiting the nucleus in the electrons

#15. What do we call the boundary between two different mediums?

The outerface

The interface

The refractionary line

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

liquids

gases

solids

#17. Our eyes can detect certain frequencies of light, what do we call these frequencies?

ultraviolet light

infrared light

visible light

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

3 Newtons

360 Newtons

10 Newtons

30 Newtons

#19. What is acceleration?

Increase in distance

Change in the rate of displacement

Change in the rate of velocity

#20. Which descriptions are correct?

Select all that apply:

Live wires are 275V

Neutral wires are 0V

Earth wires are 0V

Live wires are 230V

Neutral wires are 10V

Earth wires are 10V

#21. What is the longest wavelength of visible light

violet

orange

yellow

red

blue

indigo

green

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

gravitational potential energy

magnitude

velocity

#23. 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

#24. What is frequency?

the distance of one entire oscillation

the time taken for a full oscillation

the number of waves passing a point each second

how far from the equilibrium point the wave has oscillated

the maximum displacement of a wave

#25. What is an alpha particle?

high frequency electromagnetic radiation

two neutrons without any protons

two protons and two neutrons but no electrons

an electron

#26. What do we call energy that is stored in moving objects?

#27. Which of the following is the correct equation for momentum?

momentum (kg m/s) = mass (kg) × time (s) [p=m×t]

momentum (kg m/s) = weight (N) × velocity (m/s) [p=w×v]

momentum (kg m/s) = mass (kg) / velocity (m/s) [p=m/v]

momentum (kg m/s) = mass (kg) × velocity (m/s) [p=m×v]

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

true

false

#29. Why is geothermal energy not used more often around the world?

the technology is extremely complex and therefore too expensive for most countries

the amount of energy that is received is too low to make it economically viable

very hot rocks and soil are needed to heat water - occurs only in areas of volcanism

#30. Which process transfers heat using electromagnetic waves?

Induction

Radiation

Convection

Conduction

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

The mass stays the same

The mass increases

The mass decreases

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

#32. Calculate the mass of a vehicle with a momentum of 42000 kg m/s and a velocity of 25 m/s. Include the units in your answer. ? momentum equation is available in the description below the quiz

1680kg

1680 kilos

1680 kilogrammes

1680kilograms

1700 kg

1680 kilograms

1680 kg

1680kilos

1680

1680 k g

#33. Vectors have which of the following quantities?

Magnitude only

Magnitude and direction

direction only

#34. Which of these is an example of transverse waves?

ultrasound waves

seismic P waves

sound waves

vibrations in a guitar string

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

the number of protons plus neutrons

the total number of subatomic particles in an atom

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

false

true

#37. What is this component?

#38. Which of the following are problems with using biofuels as a replacement for oil?

Select all that apply:

they need land to grow and compete with agriculture for food production

they have high energy density

they consume fossil fuels when they are planted, harvested, shipped and burned

they have low energy density

they often replace forests that are cut down to produce biofuels

#39. What is the equation relating wave speed (v) distance (x) and time (t)?

v = t/x

v = x/t

v=xt

1

#40. 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?

Kate

Emma

#41. The potential danger associated with an electromagnetic wave increases with?

decreasing frequency

increasing frequency

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

A = F/M

A = M/F

A = FM

A = MF²

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

#43. Are voltmeters connected in parallel or series?

Parallel

Series

#44. Which factors does the angle of refraction depend on?

Select all that apply:

Angle of incidence

Angle of emergence

Change in wave speed

#45. Nickel is a magnetic material – true or false?

true

false

Direction of magnetic field and current along a wire

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

At an intermediate distance from the wire

Further from the wire

Closer to the wire

#47. What is potential difference measured in?

Volts

Amperes or Amps

Ohms

Coulombs

#48. Is speed a vector or a scalar?

vector

scalar

#49. Why is the total energy transferred to a kettle’s heating element, more than the total energy of the boiled water inside the kettle?

The total energy of the water is less because a little bit of energy is destroyed each time it is moved between stores

The total energy transferred to the heating element is difficult to measure and we probably made a mistake

Energy is transferred from the heating element to the rest of the kettle and to the environment

If you could accurately measure the movement of energy, you would always find that all of the energy is transferred. Energy cannot be created or destroyed, this is known as the Law of Conservation of Energy.

#50. Which of the following describes the Plum Pudding 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 at discrete energy levels (shells)

#51. The diagram shows a solenoid. Why is the magnetic field stronger along the centre of the coil than on the outside? ? Select two answers

Select all that apply:

The fields of the outside are weaker due to the greater potential difference at the centre of the wires in the coil

The fields on the inside are stronger due to the nanoelectric effects of electromagnetic induction

The fields add together in the centre and become nearly uniform and strong

The fields cancel out to give a weaker field on the outside

#52. Which of the following is the equation for acceleration?

A=(v−u)/t

E = MC²

A = HF/t

F = MA

#53. What is the purpose of the earth wire in a plug?

Provides an alternative (low resistance) path for the current in the case of a fault

Connects the appliance to the power supply

Provides a return path to the power supply from the appliance

#54. Calculate the force when an object changes its momentum by 2550 kg m/s in 5 seconds. Include the units for force in your answer.

#55. Which of the following equations correctly describes the relationship between force and change in momentum (Newton’s Second Law)

Force (N) = time (s) / change in momentum (kg m/s) [F = t / (mv − mu)]

Force (N) = change in momentum (kg m/s) / time (s) [F = (mv − mu) / t]

Force (N) = change in momentum (kg m/s) / time (s) x velocity (m/s) [F = (mv − mu) / t x v]

#56. Which of the following is an advantage of crude oil?

crude oil can be easily transported through pipes

crude oil does not produce greenhouse gases when burned

crude oil does not produce air pollution when burned

#57. What is a resultant force?

A theoretical force that might exist but only in space

A positive or negative net force when forces in each direction are taken into account

Where forces are completely balanced

#58. Which layer of the Earth’s atmosphere absorbs ultraviolet light?

ozone layer

stratosphere

magnetosphere

troposphere

#59. How can we describe the motion of the object in this graph between 7 and 10 seconds?

Moving at constant speed

Stationary

Accelerating

Decelerating

#60. Which of the following is a disadvantage of fossil fuels?

they produce air pollution

they are simple technologies

they are cheap

#61. What is the function of a cell?

releases light

provides a constant resistance

measures current

gives power to a circuit

provides variable resistance

two or more cells in a circuit

makes or breaks a circuit

measures potential difference

allows current to only flow one way

safety component which can break a faulty circuit

#62. What is the purpose of fuses and circuit breakers?

They act as a backup source of power in the case of a sudden, momentary loss of power

They detect potentially dangerous changes in current and disconnect the power supply

They hold the wires in place in a plug

#63. What is this component?

#64. What is gamma radiation?

two protons and two neutrons but no electrons

two neutrons without any protons

an electron

high frequency electromagnetic radiation

#65. What is this component?

#66. What is this component?

#67. Renewable energy resources mostly get their energy from the same source what is this source?

antimatter

the stars

the sun

gravity

1

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

false

true

#69. How is kinetic energy stored?

Stored as increased mass

Stored in gravitational bonds between particles

Stored as the potential to fall and become kinetic energy

Stored as movement

#70. Which of the following is the equation for change in gravitational potential energy?

GPE = mass x kinetic energy x change in vertical height

GPE = mass x gravitational field strength x change in vertical height

GPE = mass x gravitational field strength x change in velocity

#71. What wavelength of the electromagnetic spectrum does a radiator glow at?

radiowaves

ultraviolet light

infrared

visible light

gamma rays

microwaves

x-rays

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

#73. What does F represent in the equation for work done?

Distance

Force

Power

Energy

#74. In longitudinal waves are the vibrations parallel or at right angles to the direction of wave travel?

parallel

right angles

#75. 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.

#76. True or false – electromagnetic waves travel at different speeds in different materials?

True

False

#77. True or false – x-rays have longer wavelengths than visible light?

false

true

#78. How do crumple zones and airbags in cars protect people inside the car in a crash?

Reducing the size of the deceleration and the forces experienced by the body

Pushing the driver into the seat so they are safe from flying glass

Making the crash louder, attracting attention so emergency services arrive sooner

#79. 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?

Conservation of mass

Conservation of thermal energy

Conservation of momentum

Conservation of energy

#80. Is energy a vector or a scalar?

vector

scalar

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

It will move backwards at constant speed

It will accelerate forwards

It will decelerate forwards

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

Doubles

Splits

#83. Which of the following is a disadvantage of nuclear fission?

it is not currently commercially viable

it is very complex and expensive

it produces only small amounts of energy

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

Deceleration

No change

Acceleration

#85. Is weight a vector or a scalar?

scalar

vector

#86. What is current measured in?

Amperes or Amps

Coulombs

Ohms

Volts

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

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

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

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

1 x 10⁻¹⁵

1 x 10⁻⁴

1 x 10⁻³

1 x 10⁻⁵

#89. What is period?

the maximum displacement of a wave

the distance of one entire oscillation

the time taken for a full oscillation

the number of waves passing a point each second

how far from the equilibrium point the wave has oscillated

GCSE OCR Physics B Paper 2

Good Luck!

Results

#1. Which of the following are reasons why hydroelectric dams are problematic?

#2. What is the purpose of the neutral wire in a plug?

#3. True or false – x-rays and gamma rays can cause DNA mutations or damage to cells in the body?

#4. Which form of radiation is moderately ionising?

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

#6. How is renewable energy usage changing as a percentage of total energy production worldwide?

#7. Which of the following is the source of oil and gas?

#8. Which is the correct definition for non-renewable energy resources?

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

#10. 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

#11. Is tidal power renewable?

#12. What is wavelength?

#13. Do radio waves have longer wavelengths than microwaves?

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

#15. What do we call the boundary between two different mediums?

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

#17. Our eyes can detect certain frequencies of light, what do we call these frequencies?

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

#19. What is acceleration?

#20. Which descriptions are correct?

#21. What is the longest wavelength of visible light

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

#23. 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

#24. What is frequency?

#25. What is an alpha particle?

#26. What do we call energy that is stored in moving objects?

#27. Which of the following is the correct equation for momentum?

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

#29. Why is geothermal energy not used more often around the world?

#30. Which process transfers heat using electromagnetic waves?

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

#32. Calculate the mass of a vehicle with a momentum of 42000 kg m/s and a velocity of 25 m/s. Include the units in your answer. ? momentum equation is available in the description below the quiz

#33. Vectors have which of the following quantities?

#34. Which of these is an example of transverse waves?

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

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

#37. What is this component?

#38. Which of the following are problems with using biofuels as a replacement for oil?

#39. What is the equation relating wave speed (v) distance (x) and time (t)?

#40. 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?

#41. The potential danger associated with an electromagnetic wave increases with?

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

#43. Are voltmeters connected in parallel or series?

#44. Which factors does the angle of refraction depend on?

#45. Nickel is a magnetic material – true or false?

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

#47. What is potential difference measured in?

#48. Is speed a vector or a scalar?

#49. Why is the total energy transferred to a kettle’s heating element, more than the total energy of the boiled water inside the kettle?

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

#51. The diagram shows a solenoid. Why is the magnetic field stronger along the centre of the coil than on the outside? ? Select two answers

#52. Which of the following is the equation for acceleration?

#53. What is the purpose of the earth wire in a plug?

#54. Calculate the force when an object changes its momentum by 2550 kg m/s in 5 seconds. Include the units for force in your answer.

#55. Which of the following equations correctly describes the relationship between force and change in momentum (Newton’s Second Law)

#56. Which of the following is an advantage of crude oil?

#57. What is a resultant force?

#58. Which layer of the Earth’s atmosphere absorbs ultraviolet light?

#59. How can we describe the motion of the object in this graph between 7 and 10 seconds?

#60. Which of the following is a disadvantage of fossil fuels?

#61. What is the function of a cell?

#62. What is the purpose of fuses and circuit breakers?

#63. What is this component?

#64. What is gamma radiation?

#65. What is this component?

#66. What is this component?

#67. Renewable energy resources mostly get their energy from the same source what is this source?

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

#69. How is kinetic energy stored?

#70. Which of the following is the equation for change in gravitational potential energy?

#71. What wavelength of the electromagnetic spectrum does a radiator glow at?

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

#73. What does F represent in the equation for work done?

#74. In longitudinal waves are the vibrations parallel or at right angles to the direction of wave travel?

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

#76. True or false – electromagnetic waves travel at different speeds in different materials?

#77. True or false – x-rays have longer wavelengths than visible light?