IGCSE Physics 0625 Paper 11, May/June 2023

Which unit is a unit of weight? A kilogram B kilojoule C kilometre D kilonewton

The graph represents the motion of a vehicle. What is the distance travelled by the vehicle in $400\text{ s}$? A $20\text{ m}$ B $400\text{ m}$ C $4000\text{ m}$ D $8000\text{ m}$

The diagram shows a distance–time graph for an object moving in a straight line. What is the average speed between X and Y? A $0.20\text{ m / s}$ B $0.30\text{ m / s}$ C $0.40\text{ m / s}$ D $0.60\text{ m / s}$

A space rocket travels to the Moon. The acceleration of free fall is greater on the Earth than it is on the Moon. How do the mass and weight of the space rocket on the Moon compare with their values on the Earth?

A shopkeeper pours rice into a dish that hangs from a spring balance. He records the reading. A customer buys some pasta. The shopkeeper notices that the reading on the spring balance, with just pasta in the dish, is the same as it was with just rice in the dish. Which quantity must be the same for the rice and for the pasta? A density B temperature C volume D weight

A student determines the density of an irregularly shaped stone. The stone is slowly lowered into a measuring cylinder partly filled with water. Which other apparatus does the student need to calculate the density of the irregularly shaped stone? A a balance B a thermometer C a metre rule D a stop-watch

Four objects are moving. Which object has a zero resultant force acting on it? A the object moving at a decreasing speed B the object moving at an increasing speed C the object moving at a constant speed in a circle D the object moving at a constant speed in a straight line

The diagram shows a uniform metre rule. The rule is pivoted at its mid-point. A weight of $4.0\text{ N}$ is suspended from the rule at the $5\text{ cm}$ mark. The rule is held by a string at the $30\text{ cm}$ mark. The rule is in equilibrium. What is the upward force that the string exerts on the rule? A $0.67\text{ N}$ B $4.0\text{ N}$ C $6.0\text{ N}$ D $9.0\text{ N}$

An irregularly shaped metal plate is freely suspended from a point P and is in equilibrium, as shown. Point Q is vertically below P. Which statement about the position of the centre of gravity of the metal plate is correct? A It is at P. B It is at Q. C It is halfway between P and Q. D Further investigation is needed to determine its position.

Which row about the change of energy in the energy store must be correct?

A rock of weight $50\text{ N}$ falls a vertical distance of $7.0\text{ m}$ from rest. What is the change in the gravitational potential energy store of the rock? A decrease of $7.1\text{ J}$ B decrease of $350\text{ J}$ C increase of $7.1\text{ J}$ D increase of $350\text{ J}$

A child runs up a set of stairs four times. The time taken for each run is recorded. Which time is measured when the child’s useful power is greatest? A $10\text{ s}$ B $20\text{ s}$ C $30\text{ s}$ D $40\text{ s}$

A woman has a weight of $600\text{ N}$. She stands on a horizontal floor. The area of her feet in contact with the floor is $0.050{\text{ m}}^2$. What is the pressure she exerts on the floor? A $1.2\times {10}^3{\text{ N/m}}^2$ B $2.4\times {10}^3{\text{ N/m}}^2$ C $1.2\times {10}^4{\text{ N/m}}^2$ D $2.4\times {10}^4{\text{ N/m}}^2$

Gases, liquids and solids are made up of small particles. Which row gives the relative separation of the particles?

Which statements about evaporation of water are correct? 1 Evaporation causes the remaining liquid to cool. 2 During evaporation, the more energetic particles escape from the surface of the liquid. 3 Evaporation only happens at $100{}^{\circ }\text{C}$. A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

Which surface is the worst absorber of infrared radiation? A dull black B dull white C shiny black D shiny white

The diagrams show graphs of displacement against time for four waves. All the graphs are drawn to the same scale. Which wave has the largest amplitude and the highest frequency?

A student draws a diagram to show the directions of a light ray reflecting off a plane mirror. What are the correct terms for the lines drawn?

An object O is placed at point P near to a thin converging lens. The diagram shows three rays from the top of O passing through the lens. Each point F is one focal length from the centre of the lens. Each point 2F is two focal lengths from the centre of the lens. The object O is moved to point Q on the diagram. Which type of image is produced when the object O is at point Q? A inverted and the same size as the object B inverted and enlarged C upright and the same size as the object D upright and enlarged

Which diagram shows the dispersion of white light by a glass prism?

Which statement is correct? A A remote controller emits microwave radiation. B A remote controller emits infrared radiation. C A remote controller emits ultrasound. D A remote controller emits ultraviolet radiation.

Student X fires a starting pistol which produces smoke and sound. Student Y is standing $100\text{ m}$ away and sees the smoke the instant it is produced. The speed of sound in air is $340\text{ m / s}$. What is the time delay between student Y seeing the smoke and hearing the sound? A $0.29\text{ s}$ B $0.59\text{ s}$ C $1.7\text{ s}$ D $3.4\text{ s}$

An unmagnetised piece of soft iron is placed close to a strong permanent magnet, as shown. What is the induced polarity of end X of the soft iron and in which direction does the magnetic force act on the soft iron?

A plastic rod is rubbed with a cloth. The rod and the cloth both become charged as electrons move between them. The rod becomes negatively charged. Which diagram shows how the rod becomes negatively charged and shows the final charge on the cloth?

Which particles move to cause a current in a copper wire? A copper atoms B electrons from the copper atoms C protons from the copper nuclei D neutrons from the copper nuclei

Four students draw a circuit diagram of the apparatus used to measure the resistance of resistor R. Which circuit is correct?

The battery on a bicycle is connected in parallel to its lamp and bell. The circuit includes two switches, ${\text{S}}_1$ and ${\text{S}}_2$. The cyclist closes ${\text{S}}_1$ to light the lamp. She then also closes ${\text{S}}_2$ to sound the bell. What happens to the current in the battery and the power output from the battery when the cyclist closes ${\text{S}}_2$?

Which symbol represents an electric heater?

A student connects the circuit shown. Which switches must be closed for the bell to ring without lighting the lamp? A 1 and 2 only B 1 and 3 only C 1, 3 and 4 D 2, 3 and 4

A double-insulated electrical appliance must be connected safely to the electricity supply. Which statement is correct? A It must be connected with a fuse and an earth wire. B It can be connected with a fuse only. C It can be connected with an earth wire only. D It does not need a fuse or an earth wire.

A simple electric generator induces an electromotive force (e.m.f.). Which modification would increase the induced e.m.f.? A Increase the number of turns in the coil of the generator. B Increase the distance between the magnetic poles. C Reduce the strength of the magnetic field around the coil. D Reverse the direction of the magnetic field.

The diagram shows a vertical wire carrying a current $I$ placed between the poles of a magnet. What is the direction of the force on the wire exerted by the magnetic field? A from N to S B from S to N C horizontal and at right angles to the direction from N to S D parallel to the wire

What is an advantage of transmitting electricity at a high voltage? A It is faster. B It is safer. C Less energy is wasted. D Less equipment is needed.

How are positive and negative ions formed from atoms?

A nucleus of element X is represented as ${}_{26}^{56}\text{X}$. Which is an isotope of element X? A ${}_{56}^{26}\text{X}$ B ${}_{26}^{54}\text{X}$ C ${}_{24}^{56}\text{X}$ D ${}_{28}^{54}\text{X}$

Which statement about the random decay of the nuclei in a sample of uranium-238 is correct? A The probabilities of an alpha-particle, a beta-particle or a gamma ray being emitted from a nucleus in the sample are equal. B The probability of a nucleus in the sample decaying decreases as time passes. C The probability of a nucleus decaying in any ten minute interval is the same for all the nuclei in the sample. D The probability of a nucleus in the sample decaying increases as time passes.

The count rate due to a sample of a radioactive isotope is measured for $80\text{ minutes}$.

What is the half-life of the isotope? A $20\text{ minutes}$ B $40\text{ minutes}$ C $60\text{ minutes}$ D $80\text{ minutes}$

Which planet in our Solar System is nearest to the Sun and what is the nature of the planet?

The Sun consists mostly of two elements. What are these two elements? A helium and nitrogen B hydrogen and helium C hydrogen and oxygen D oxygen and nitrogen

Which statement about the Milky Way is correct? A It is a galaxy. B It is a group of galaxies. C It is a group of stars outside our own galaxy. D It is a group of stars which are part of our galaxy.