O Level Physics 5054 Paper 12, May/June 2024

What is measured using a micrometer? A area B current C length D mass

Two people pull on ropes to move a boat along a canal. The boat moves at a constant velocity. The vector diagram for the tension in the ropes is shown. Which vector is the drag acting on the boat? A B C D

The graph shows how the speed of a car travelling in a straight line changes with time. Which section shows the largest acceleration? A B C D

A man walks along a path from X to Y. The diagram shows the path from above. The man measures the distance he walks and the time taken. Which quantity can be calculated using this data only? A acceleration B average speed C average velocity D power

Which property of an object determines its resistance to a change from its state of rest or motion? A its mass B its shape C its surface area D its volume

The diagram shows a moon buggy used by astronauts. The mass of the moon buggy on the Earth is $210\text{ kg}$. The gravitational field strength on the Moon is $\frac{1}{6}$ of that on the Earth. What is the weight of the moon buggy on the Moon? A zero B $35\text{ N}$ C $210\text{ N}$ D $340\text{ N}$

A car travels along a road. The force on the car due to the engine is $800\text{ N}$. The motion of the car depends on the value of the total resistive force $R$. Which row shows the motion of the car for the given value of $R$?

Four of the gravitational forces that act between objects in the Solar System are listed. P the force on the Moon due to the Earth Q the force on the Earth due to the Sun R the force on the Earth due to the Moon S the force on the Moon due to the Sun Which two forces are a Newton's third law pair? A P and Q B P and R C Q and S D R and S

A box is moved up a rough slope from X to Y. The diagram shows four forces acting on the box. Which force is the force due to friction on the box? A B C D

The graph shows how the extension of four different threads depends on the load attached. Which thread is the most difficult to stretch over the range of loads shown? A B C D

A satellite orbits a planet in a circular path as shown. It has constant speed. There is a force on the satellite due to the planet. In which direction is the force on the satellite when it is in the position shown? A B C D

A crane has a $5800\text{ N}$ counterweight positioned $2.3\text{ m}$ from the tower along a horizontal jib. The centre of gravity P of the crane jib is marked. What is the horizontal distance between the $2300\text{ N}$ load and P so that there is no moment about P? A $0.91\text{ m}$ B $3.5\text{ m}$ C $5.8\text{ m}$ D $8.1\text{ m}$

A car of mass $750\text{ kg}$ travels $400\text{ m}$ at $25\text{ m/s}$. It then accelerates to $35\text{ m/s}$ and travels a further $400\text{ m}$. What is the change in the momentum of the car due to acceleration? A $7500\text{ kg}\text{m/s}$ B $24000\text{ kg}\text{m/s}$ C $45000\text{ kg}\text{m/s}$ D $75000\text{ kg}\text{m/s}$

A ball is dropped from rest at the top of a building. Air resistance is negligible. The velocity of the ball is $14\text{ m/s}$ when it hits the ground. What is the height of the building? A $2.9\text{ m}$ B $10\text{ m}$ C $20\text{ m}$ D $40\text{ m}$

Which energy source is available constantly over a 24-hour period? A natural gas B solar cells C tidal D wind

A $15\text{ W}$ lamp is turned on for 30 minutes. It wastes $7000\text{ J}$ of energy. What is the efficiency of the lamp? A 0.26 B 0.35 C 0.59 D 0.74

Which quantity is not measured in joules (J)? A gravitational potential energy B latent heat C power D work

Which description of a liquid is correct? A fixed shape, fixed volume B fixed shape, variable volume C variable shape, fixed volume D variable shape, variable volume

A transparent box has a dividing wall in its middle. It contains two different gases, one in each half, as shown. The dividing wall is removed. The box is left for a long time. The gases do not react. What is then seen in the box? A brown gas on the right and colourless gas on the left B pale brown gas throughout C several distinct clouds of colourless and brown gas throughout D colourless gas on the right and brown gas on the left

A bottle containing a cold liquid is placed on a table on a warm day. Drops of water form on the outside of the bottle. Which process causes the drops to form? A condensation B conduction C convection D evaporation

What is the specific heat capacity of a liquid? A the difference between the boiling temperature and the melting temperature of the liquid B the energy required to change the state of $1\text{ kg}$ of the liquid C the energy required to heat $1\text{ kg}$ of the liquid through $1{}^{\circ }\text{C}$ D the increase in temperature of the liquid when it is heated

Which statement about infrared radiation is correct? A In a vacuum, infrared radiation travels at the speed of light. B Infrared radiation is a longitudinal wave. C Infrared radiation has a higher frequency than ultraviolet radiation. D White surfaces are better emitters of infrared radiation than black surfaces.

The speed of sound in air is $330\text{ m/s}$. Which sound is classed as ultrasound? A a sound with a wavelength of $250\text{ cm}$ B a sound with a wavelength of $25\text{ cm}$ C a sound with a wavelength of $2.5\text{ cm}$ D none of the above

Which diagram shows how light from a distant object forms an image in a normal eye? A B C D

The colour of visible light is related to the wavelength of the light. Which list of colours is in order of increasing wavelength? A $\text{blue}\to \text{green}\to \text{yellow}\to \text{red}$ B $\text{blue}\to \text{green}\to \text{red}\to \text{yellow}$ C $\text{green}\to \text{red}\to \text{yellow}\to \text{blue}$ D $\text{red}\to \text{yellow}\to \text{green}\to \text{blue}$

A thin converging lens is used as a magnifying glass. Which row gives the nature of the image produced and an expression that is the linear magnification?

Which application is not a use for ultrasound? A cleaning jewellery B scanning an unborn baby C sonar D sterilising water

Which equation is correct for potential difference (p.d.)? A $\text{p.d.}=\text{voltage}\times \text{current}$ B $\text{p.d.}=\frac{\text{energy}}{\text{time}}$ C $\text{p.d.}=\frac{\text{work done}}{\text{charge}}$ D $\text{p.d.}=\frac{\text{current}}{\text{resistance}}$

The diagrams show five electrical circuits. All of the resistors shown are identical. Which circuits have equal resistance? A 1, 2, 3 and 5 B 1, 2, 4 and 5 C 1, 3, 4 and 5 D 2, 3, 4 and 5

Which electrical appliance uses the heating effect of electricity? A a cell phone (mobile phone) B a fan C a hairdryer D a lawnmower

How many kilowatt-hours of energy are used by a $1000\text{ W}$ heater connected to a $230\text{ V}$ supply for 30 minutes? A $0.30\text{ kWh}$ B $0.50\text{ kWh}$ C $30\text{ kWh}$ D $120\text{ kWh}$

Which safety precautions must be taken when wiring an electrical kettle that has a stainless-steel outer casing? A It must be earthed and have a fuse in the live wire. B It must be earthed and have a fuse in the neutral wire. C It needs a fuse in the live wire but does not need to be earthed. D It needs a fuse in the neutral wire but does not need to be earthed.

What is the purpose of the earth wire in a plug connected to an appliance? A to complete the circuit so that the appliance works B to conduct thermal energy so that the appliance does not get too hot C to prevent a person getting a shock D to protect the appliance from a current that is too large

The diagram shows a wire carrying a current in a magnetic field. What is the direction of the force on the wire? A left to right B right to left C into the page D out of the page

The diagram shows a simple d.c. motor. What is the part labelled Q? A a coil B a magnet C a slip ring D a split-ring commutator

The diagram shows a transformer. A student writes four statements about how the transformer works. 1 An alternating voltage across the primary coil induces an unchanging voltage across the secondary coil. 2 An alternating voltage across the primary coil produces a changing magnetic field in the iron core. 3 A changing magnetic field in the iron core induces an alternating voltage across the secondary coil. 4 An unchanging voltage across the primary coil produces a changing magnetic field across the secondary coil. Which statements explain how the transformer works? A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4

Which particle has the smallest mass? A alpha particle B electron C neutron D proton

Which two atoms are isotopes of the same element?

A 1 and 2 B 1 and 4 C 2 and 4 D 3 and 4

Four types of ionising radiation are listed. ● alpha particles ● beta particles ● X-rays ● gamma rays Which types of radiation can be emitted from the unstable nuclei of a radioactive material? A alpha particles, beta particles and gamma rays B alpha particles and beta particles only C gamma rays only D X-rays and gamma rays

What is the nuclear reaction that powers the Sun? A the fission of hydrogen into helium B the fission of helium into hydrogen C the fusion of hydrogen into helium D the fusion of helium into hydrogen