CIE iGCSE Physics Paper 1 Prediction - 2025
CIE iGCSE Physics Paper 1 Prediction – 2025
Preparing for your IGCSE exam can be daunting, but with the right approach, you can achieve your goals with CIE iGCSE Physics Paper 1 Prediction
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iGCSE Practice Questions, Past Papers , Flashcards and notes available for iGCSE Students at IITian Academy.
Question 1
A student wishes to find the volume of a small, irregularly shaped stone.
A ruler and a measuring cylinder containing some water are available. Which apparatus is needed?
A neither the ruler nor the measuring cylinder
B the measuring cylinder only
C the ruler and the measuring cylinder
D the ruler only
▶️Answer/Explanation
Ans B
Question 2
Four objects are moving along a straight line. The distance of each object from a fixed point on the line is plotted against time. Which object is decelerating?
▶️Answer/Explanation
Ans C
Question 3
A plastic bottle contains \(750 cm^3\) 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 \(0.80 g / cm^3\)
B \(90.93 g / cm^3\)
C\( 1.1 g / cm^3\)
D \(1.3 g / cm^3\)
▶️Answer/Explanation
Ans A
Question 4
Which statement about the weight of an object is correct?
A The weight of an object is the gravitational force per unit mass.
B The weight of an object is the gravitational force on an object.
C The weight is zero when the object is falling at constant speed in the Earth’s atmosphere.
D The weight is zero when the object is in orbit around the Earth.
▶️Answer/Explanation
Ans B
Question 5
The diagram shows some liquid in a measuring cylinder. The mass of the liquid is 16 g.
What is the density of the liquid?
A 0.80 \(g / cm^3\)
B 1.3 \(g / cm^3\)
C 36 \(g / cm^3\)
D 320 \(g / cm^3\)
▶️Answer/Explanation
Ans A
Question 6
What is measured by the moment of a force?
A) the acceleration produced by the force
B) the turning effect of the force
C) the time for which the force acts
D) the increase in energy caused by the force
▶️Answer/Explanation
Ans: B
Questions 7
An irregular plane object is suspended freely from point O. The object is displaced and then released. It swings a few times, and comes to rest as shown.
Where is the centre of gravity of the object?
A horizontally to the left of O
B horizontally to the right of O
C vertically above O
D vertically below O
▶️Answer/Explanation
Ans D
Question 8
A single force acts upon an object and the volume of the object does not change. Which statement is correct?
A The density of the object changes.
B The velocity of the object changes.
C The mass of the object changes.
D The weight of the object changes.
▶️Answer/Explanation
Ans B
Question 9
A box of mass 2.0 kg and weight 20N is carried to the top of some stairs
How is the work done against gravity on the box calculated?
A \(2.0 \times 1.8\)
B \(20 \times 1.2\)
C \(2.0 \times 1.2\)
D \(20 \times 1.2 \times 1.8\)
▶️Answer/Explanation
Ans B
Question 10
A motor transfers 24 J of energy in 60 seconds.
What is the power output of the motor?
A) 0.40 W
B) 2.5 W
C) 24 W
D) 1400 W
▶️Answer/Explanation
Ans: A
Question 11
Which row describes how the pressure beneath the surface of a liquid depends on the depth below the surface and on the density of the liquid?
▶️Answer/Explanation
Ans D
Question 12
A liquid is evaporating. The liquid is not boiling. Which statement about the liquid at an instant in time is correct?
A Any molecule can escape and from any part of the liquid.
B Any molecule can escape, but only from the liquid’s surface.
C Only molecules with enough energy can escape and only from the liquid’s surface.
D Only molecules with enough energy can escape, but from any part of the liquid.
▶️Answer/Explanation
Ans C
Question 13
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
▶️Answer/Explanation
Ans C
Question 14
In a famous experiment, a scientist showed that, when water in an insulated tub is stirred, its temperature increases. What can be concluded from this experiment?
A Temperature is a store of energy.
B The water absorbs heat from the surroundings.
C Work done by stirring increases the internal energy of the water.
D Energy is not conserved.
▶️Answer/Explanation
Ans C
Question 15
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
▶️Answer/Explanation
Ans D
Question 16
Two plastic cups are placed one inside the other. A small spacer keeps the two cups separated.
Hot water is poured into the inner cup and a lid is put on top, as shown.
Which statement is correct?
A The bench is heated by convection from the bottom of the outer cup.
B The lid reduces the energy lost by convection.
C There is no thermal conduction through the sides of either cup.
D Thermal radiation is prevented by the small air gap.
Answer/Explanation
Ans:B
Question 17
Waves on the surface of water travel from deep water to shallow water. Which diagram shows the correct path of the waves in the shallow water?
▶️Answer/Explanation
Ans A
Question 18
Which row gives an example of a longitudinal wave and describes the direction of the vibrations?
▶️Answer/Explanation
Ans D
Question 19
The diagram represents a wave.
Which row gives the wavelength and the amplitude of the wave? 
▶️Answer/Explanation
Ans D
Question 20
The diagram shows a thin converging lens with principal focuses at \(F_1\) and \(F_2\).
A small light source is placed at \(F_1\). A beam of light from the source passes through the lens. Which statement correctly describes the beam of light emerging from the lens?
A The beam converges to \(F_2\).
B The beam converges to a point to the right of \(F_2\).
C The beam diverges from a point to the left of \(F_1\).
D The beam travels parallel to the principal axis.
▶️Answer/Explanation
Ans D
Question 21
White light can be split into different colours by passing it through a prism. What is the name of this process?
A diffraction
B dispersion
C reflection
D refraction
▶️Answer/Explanation
Ans B
Question 22
The table gives the wavelengths of three electromagnetic waves.
Which row correctly identifies P, Q and R? 
▶️Answer/Explanation
Ans B
Question 23
A student hits two wooden blocks together in front of a wall and calculates the speed of sound to be 340 m / s. The time between the student hitting the blocks and hearing the echo is 0.59 s
What is the distance between the student and the wall?
A 100 m
B 200 m
C 290 m
D 570 m
▶️Answer/Explanation
Ans A
Question 24
Diagrams 1, 2 and 3 show an experiment to compare two magnets 1 and 2.
Which row explains the readings on the balances? 
▶️Answer/Explanation
Ans C
Question 25
A student tests the electrical conduction of four materials.
● aluminium
● iron
● plastic
● silver
Which materials are good conductors of electricity?
A aluminium, iron and silver
B aluminium and silver only
C iron, silver and plastic
D plastic only
▶️Answer/Explanation
Ans A
Question 26
Which graph of voltage against time shows an a.c. voltage?
▶️Answer/Explanation
Ans D
Question 27
)
There is a current I in a resistor for a time t. The potential difference (p.d) across the resistor is V. What does the product IVt represent?
A the charge flowing through the resistor
B the energy transferred by the resistor
C the power dissipated by the resistor
D the resistance of the resistor
▶️Answer/Explanation
Ans B
Questions 28
A transformer has 400 turns on the primary coil connected to the 240V mains supply. There are two secondary coils to serve different parts of a television. Secondary coil 1 has 2500 turns and secondary coil 2 has 20 turns. Which row is correct?
▶️Answer/Explanation
Ans B
Question 29
Diagram 1 shows a resistor connected in a circuit. Diagram 2 shows an identical resistor connected in parallel with the first resistor.
What is the combined resistance of the two resistors in diagram 2?
A greater than in the circuit of diagram 1
B less than in the circuit of diagram 1, but greater than zero
C the same as in the circuit of diagram 1
D zero
▶️Answer/Explanation
Ans B
Question 30
Four statements about safety when designing electrical products are listed.
1 If the outer casing is a conductor, it should be earthed.
2 If the outer casing is a conductor, it should not be earthed.
3 If the outer casing is an insulator, it should be earthed.
4 If the outer casing is an insulator, it should not be earthed.
Which statements are correct?
A 1 and 3
B 1 and 4
C 2 and 3
D 2 and 4
▶️Answer/Explanation
Ans B
Question 31
A simple model of the atom consists of small particles orbiting a central nucleus. Which row is correct?
▶️Answer/Explanation
Ans C
Question 32
A metal bar is placed inside a current-carrying coil, as shown in diagram 1. There is a small current in the coil. The bar holds a few nails, as shown in diagram 2.
When there is no current in the coil, the nails drop off. Which row is correct?
▶️Answer/Explanation
Ans B
Question 33
A transformer has 400 turns on the primary coil connected to the 240V mains supply. There are two secondary coils to serve different parts of a television. Secondary coil 1 has 2500 turns and secondary coil 2 has 20 turns. Which row is correct?
▶️Answer/Explanation
Ans B
Question 34
Which statement about the structure of an atom is correct?
A It contains positively charged particles only.
B It contains negatively charged particles only.
C It contains no charged particles.
D It contains positively charged particles and negatively charged particles.
▶️Answer/Explanation
Ans D
Question 35
The nuclei of the atoms in a substance are changing randomly and emitting radiation. What is happening to the substance?
A It is undergoing electromagnetic induction.
B It is undergoing magnetisation.
C It is undergoing solidification.
D It is undergoing radioactive decay.
▶️Answer/Explanation
Ans D
Question 36
A radiation detector in a laboratory is measuring background radiation. Which row describes the readings and the cause?
▶️Answer/Explanation
Ans A
Question 37
Which diagram shows the pattern and the direction of the magnetic field lines around a bar magnet?
▶️Answer/Explanation
Ans A
Question 38
Which planet is classed as a rocky planet?
A Jupiter
B Saturn
C Uranus
D Venus
▶️Answer/Explanation
Ans D
Question 39
In which regions of the electromagnetic spectrum does the Sun radiate most of its energy?
A microwave to infrared
B ultraviolet to X-ray
C infrared to ultraviolet
D radio to infrared
▶️Answer/Explanation
Ans C
Question 40
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
▶️Answer/Explanation
Ans B