Download and practise with this ZIMSEC O-Level Physics Paper 1 June 2025 question paper. Useful for exam revision, past paper practice, and preparation in Zimbabwe.
A free account is needed to download. Sign in or create one
This is the ZIMSEC O-Level Physics question paper for Paper 1 from June 2025. Use it for exam practice under timed conditions. The paper code is 4023/1. Time allowed: 1 hour.
# ZIMBABWE SCHOOL EXAMINATIONS COUNCIL <br> General Certificate of Education Ordinary Level
**PHYSICS**
**PAPER 1 Multiple Choice**
**JUNE 2025 SESSION**
Additional materials:
Multiple Choice answer sheet
Soft clean eraser
Soft pencil (type B or HB is recommended.)
Electronic calculator
### INSTRUCTIONS TO CANDIDATES
Answer all questions. For each question, there are four possible answers, A, B, C and D. Choose the correct answer. Record your choice in soft pencil on the separate answer sheet.
Read very carefully the instructions on the answer sheet.
### INFORMATION FOR CANDIDATES
There are forty questions in this paper. Each correct answer will score one mark. Any rough working should be done on this question paper.
## Question 1
Which instrument accurately measures the internal diameter of a boiling tube?
A tape measure
B vernier calipers
C metre rule
D micrometer screw gauge
## Question 2
What are the base units of force?
A \(\mathrm{kgm} / \mathrm{s}^{2}\)
B \(\mathrm{kgms}^{2}\)
C kgms
D \(\mathrm{kgm} / \mathrm{s}\)
## Question 3
Acceleration is defined as the rate of change of
A displacement.
B distance.
C velocity.
D speed.
## Question 4
A piece of wire is 60 cm long and 0.2 cm in diameter. What is its volume?
A \(18.85 \mathrm{~cm}^{3}\)
B \(12.00 \mathrm{~cm}^{3}\)
C \(7.54 \mathrm{~cm}^{3}\)
D \(1.88 \mathrm{~cm}^{3}\)
## Question 5
A trolley is loaded with three concrete bricks and set in motion by a constant force producing an acceleration. If one brick is removed, the trolley will
A decelerate.
B accelerate more.
C maintain its velocity.
D maintain its acceleration.
## Question 6
Similar metallic spheres were placed at different positions on a surface.
Which sphere A, B, C or D is the least stable?
## Question 7
The diagram shows a manometer measuring gas pressure.
The pressure of the gas piped into the manometer is
A \(\operatorname{pgh}_{2}+\mathrm{A}\).
B \(\mathrm{ggh}_{1}+\mathrm{A}\).
C \(\mathrm{pgh}_{2}-\mathrm{A}\).
D \(\mathrm{ggh}_{3}+\mathrm{A}\).
## Question 8
The diagram shows a fish pond with fish at different heights from the bottom of the pond.
Which fish \(\mathbf{A}, \mathbf{B}, \mathbf{C}\), or \(\mathbf{D}\) is experiencing the greatest pressure?
## Question 9
What is the power generated when an object of mass 2 kg falls with a constant velocity of \(3 \mathrm{~m} / \mathrm{s}\) ?
[Take acceleration due to gravity to be \(10 \mathrm{~m} / \mathrm{s}^{2}\)]
A 0 W
B 60 W
C 90 W
D 180 W
## Question 10
The diagram shows a pulley system.
What is the work done by the effort, E, when the pulley system raises the load, L, by 4 m?
A 3600 J
B 4800 J
C 9600 J
D 14400 J
## Question 11
When builders lay bricks, they are making
A lapped joints.
B pinned joints.
C mortised joints.
D grooved joints.
## Question 12
Which process only occurs in a four stroke engine?
A ignition by compression
B ignition by spark plug
C filtration of air
D filtration of fuel
## Question 13
An object of mass 2 kg is dropped from a height of 5 m.
What is the kinetic energy as it hits the ground?
A 10 J
B 20 J
C 100 J
D 500 J
## Question 14
Air vents allow heat exchange mainly through
A radiation only.
B conduction and convection.
C radiation and convection.
D convection only.
## Question 15
When a substance is melting or boiling its
A temperature increases.
B kinetic energy increases.
C latent energy increases.
D particle size increases.
## Question 16
The amount of heat needed per unit mass to change the state of a substance at constant temperature is called
A latent heat.
B heat capacity.
C specific latent heat.
D specific heat capacity.
## Question 17
Which property distinguishes longitudinal waves from transverse waves?
A ability to be refracted
B amplitude of vibration
C period of oscillation
D direction of vibration of particles
## Question 18
Which diagram shows the correct path of a light ray travelling from glass to air?
A
B
C
D
## Question 19
The diagram shows a wave profile for sound.
What cannot be obtained from the graph?
A amplitude
B wavelength
C loudness
D period
## Question 20
When a tuning fork is struck in a vacuum, it
A produces sound.
B produces high pitch sound.
C produces low pitch sound.
D produces no sound.
## Question 21
The diagram shows a diverging lens.
What name is given to point \(\mathbf{P}\)?
A principal focus
B focal length
C principal axis
D virtual point
## Question 22
In sound waves pitch is related to
A speed.
B amplitude.
C frequency.
D wavelength.
## Question 23
Which energy change takes place when electric current flows through a resistor?
A chemical to heat
B electrical to heat
C chemical to electrical
D heat to electrical
## Question 24
Which fuse rating is suitable for an appliance rated \(800 \mathrm{~W}, 240 \mathrm{~V}\), …