IGCSE Physics 0625 Paper 11, May/June 2024

The diagram shows an enlarged drawing of the end of a metre ruler. It is being used to measure the length of a small feather. What is the length of the feather? A 19 mm B 29 mm C 19 cm D 29 cm

The diagram shows two objects, X and Y, suspended from identical springs. The extension of each spring is different. Which row compares the mass and the weight of the two objects?

A plastic bottle contains $750{\text{ cm}}^3$ of oil. The diagram shows the mass of the bottle being measured when it is full and then when it is empty. What is the density of the oil? A $0.80{\text{ g/cm}}^3$ B $0.93{\text{ g/cm}}^3$ C $1.1{\text{ g/cm}}^3$ D $1.3{\text{ g/cm}}^3$

The extension–load graph for a spring is shown. The unstretched length of the spring is $15.0\text{ cm}$. When an object of unknown weight is suspended on the spring, the length of the spring is $16.4\text{ cm}$. What is the weight of the object? A $0.55\text{ N}$ B $0.67\text{ N}$ C $3.5\text{ N}$ D $4.1\text{ N}$

A student determines the position of the centre of gravity of a piece of card. The diagram shows the equipment that is available. The equipment is not drawn to scale. Which piece of equipment is not needed? A pencil B pin C weight on a thin string D stop-watch

A cyclist stops his bicycle using the brakes. Which row about energy stores is correct?

A man applies a force of $40\text{ N}$ to push a box along the floor. How much power is required to push the box $4.0\text{ m}$ in $3.0\text{ seconds}$? A $3.3\text{ W}$ B $30\text{ W}$ C $53\text{ W}$ D $480\text{ W}$

Four identical submarines, P, Q, R and S, are lowered from one depth to another in water of a constant density. The initial and final depths of each submarine are shown. Which row is correct for the difference in pressure from the initial to the final depth of each submarine?

Some terms describing changes of state are listed. 1 boiling 2 solidification 3 condensation 4 evaporation Which two terms identify the same change of state? A 1 and 3 B 1 and 4 C 2 and 3 D 2 and 4

Diagram 1 shows apparatus being used to observe smoke particles. Diagram 2 shows how a smoke particle moves randomly. Why do the smoke particles move randomly? A They are hit by air particles. B They are less dense than air. C They are moved by convection currents. D They gain energy from the light.

How is a temperature in degrees Celsius (${}^{\circ }\text{C}$) converted to a temperature in kelvin (K)? A Add 273 to the temperature in ${}^{\circ }\text{C}$. B Divide the temperature in ${}^{\circ }\text{C}$ by 273. C Multiply the temperature in ${}^{\circ }\text{C}$ by 273. D Subtract 273 from the temperature in ${}^{\circ }\text{C}$.

The diagram shows a frictionless piston inside a cylinder. The air inside the cylinder is heated. The piston moves in the direction shown. Which statement about the air inside the cylinder is correct? A The temperature and volume increase at constant pressure. B The temperature and pressure increase at constant volume. C The temperature, volume and pressure all increase. D The volume and pressure increase at constant temperature.

What increases when the temperature of a copper block increases? A the number of copper atoms in the block B the melting point of the block C the internal energy of the block D the density of the block

A textbook gives the description of a thermal process as ‘more-energetic molecules escape from the surface of a liquid which causes the liquid to cool’. Which process is being described? A boiling B Brownian motion C condensation D evaporation

In which situation is radiation the main method by which energy is transferred? A heating a pan of water using a gas camping stove B energy reaching the Earth from the Sun C heating the air in a room with a convection heater D giving gravitational potential energy to a glider when it is lifted by thermal currents

The diagram represents a wave. Which row gives the wavelength and the amplitude of the wave?

Which row describes a seismic P-wave?

Which diagram shows waves diffracting? A B C D

The diagram shows a ray of light in glass incident on the surface between the glass and air. What happens if the angle of incidence is made larger than the critical angle for the glass? A The angle of refraction becomes equal to ${90}^{\circ }$. B There is a refracted ray and a ray reflected inside the glass. C There is a refracted ray only. D There is only a ray reflected inside the glass.

Red light of frequency $430\times {10}^{12}\text{ Hz}$ has a wavelength of $700\times {10}^{-9}\text{ m}$. What is possible for blue light? A a frequency of $190\times {10}^{12}\text{ Hz}$ and a wavelength of $450\times {10}^{-9}\text{ m}$ B a frequency of $190\times {10}^{12}\text{ Hz}$ and a wavelength of $950\times {10}^{-9}\text{ m}$ C a frequency of $670\times {10}^{12}\text{ Hz}$ and a wavelength of $450\times {10}^{-9}\text{ m}$ D a frequency of $670\times {10}^{12}\text{ Hz}$ and a wavelength of $950\times {10}^{-9}\text{ m}$

Infrared is a useful type of electromagnetic radiation. However, excessive exposure to infrared can cause harmful effects. Which row gives a use and a harmful effect for infrared?

The table shows data for the hearing ranges of different animals. Which animal has the most similar hearing range to a human?

Which description of ultrasound is correct? A longitudinal waves with a frequency greater than $20000\text{ Hz}$ B longitudinal waves with a frequency less than $20\text{ Hz}$ C transverse waves with a frequency greater than $20000\text{ Hz}$ D transverse waves with a frequency less than $20\text{ Hz}$

Which diagram shows the pattern and the direction of the magnetic field lines around a bar magnet? A B C D

Which material is a good electrical conductor? A glass B copper C rubber D wood

What is an electric current and how is an ammeter positioned in a circuit to measure the current in a resistor?

Which unit is used for the potential difference (p.d.) between two points in an electrical circuit? A ampere (A) B joule (J) C ohm ($\mathrm{\Omega }$) D volt (V)

The circuit in the diagram contains four switches, ${\text{S}}_1$, ${\text{S}}_2$, ${\text{S}}_3$ and ${\text{S}}_4$. Which three switches must be closed for the heater to work? A ${\text{S}}_1$, ${\text{S}}_2$ and ${\text{S}}_3$ B ${\text{S}}_1$, ${\text{S}}_2$ and ${\text{S}}_4$ C ${\text{S}}_1$, ${\text{S}}_3$ and ${\text{S}}_4$ D ${\text{S}}_2$, ${\text{S}}_3$ and ${\text{S}}_4$

The metal case of an electrical appliance is fitted with an earth connection. What is the purpose of this? A to complete the circuit supplying the appliance so that it works B to ensure that the cables supplying the appliance do not become damp C to prevent the cables supplying the appliance from overheating D to protect a user of the appliance from electric shock

A student moves a magnet into a coil, as shown. The voltmeter measures the magnitude of the electromotive force (e.m.f.) induced in the coil. Which quantity does not affect the magnitude of the induced e.m.f.? A the number of turns per unit length in the coil B the polarity of the magnet C the speed of the magnet D the strength of the magnet

A student makes a small d.c. motor. The teacher supplies the following equipment. ● battery ● ammeter ● voltmeter ● coil of wire ● magnets ● resistor The student is also able to use other equipment if he wishes. Which equipment must be used? A ammeter, battery and resistor B ammeter, coil of wire and voltmeter C battery, coil of wire and magnets D magnets, resistor and voltmeter

A simple model of the atom consists of small particles orbiting a central nucleus. Which row is correct?

What is the charge on a proton and what is the charge on a neutron?

An isotope of radon is radioactive. It decays by emitting an $\alpha$-particle. What happens to the nucleus of a radon atom during the emission of the $\alpha$-particle? A It becomes the nucleus of a different isotope of radon with fewer neutrons. B It becomes the nucleus of a different isotope of radon with more neutrons. C It becomes the nucleus of an element with a higher proton number. D It becomes the nucleus of an element with a lower proton number.

The nuclide notation of the isotope strontium-90 is ${}_{38}^{90}\text{Sr}$. Which statement is correct? A A nucleus of strontium-90 has 38 neutrons. B A nucleus of strontium-90 has 52 neutrons. C A nucleus of strontium-90 has 90 electrons. D A nucleus of strontium-90 has 90 neutrons.

A box is used for storing radioactive sources. What is the best material to use for lining the box to prevent radiation from escaping? A aluminium B lead C paper D plastic

The Earth is a planet that orbits the Sun once in approximately 365 days. What does this enable us to explain? A the cycle of day and night B the cycle of phases of the moon C the periodic nature of the seasons D the apparent daily motion of the Sun

The radius of the orbit of Venus around the Sun is $110\times {10}^6\text{ km}$. The radius of the orbit of the Earth around the Sun is $150\times {10}^6\text{ km}$. The speed of light is $0.30\times {10}^6\text{ km/s}$. How long does light take to travel from Venus to the Earth when these planets are closest to each other? A 130 s B 370 s C 500 s D 870 s

What are the three main types of radiation emitted by the Sun? A infrared, radio waves and ultraviolet B infrared, visible light and ultraviolet C microwaves, visible light and X-rays D radio waves, X-rays and ultraviolet

What is a light-year? A the time for light to travel 1 km in space B the time for light to travel from the Sun to the Earth C the distance travelled in space by light in one year D the distance travelled by light from the Sun to the Earth