CCHM 2026 Physics P1 QP + MS

[Turn over Name: Class: Class Register Number: PRELIMINARY EXAMINATION 2026 SECONDARY 4 PHYSICS 6091/01 Paper 1 Multiple Choice 31 August 2026 1 hour Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your name, class and class register number clearly in the spaces provided at the top of this page. There are forty questions on this paper. Answer all questions. For each question there are four possible answers A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet. Read the instructions on the Answer Sheet very carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done in this booklet. The use of an approved scientific calculator is expected, where appropriate. This document consists of 18 printed pages.

2 2026 Preliminary Exam/CCHMS/Secondary 4/Physics/6091/01 1 What is a reasonable estimate of the weight of an adult human? A 7 × 100 N B 7 × 101 N C 7 × 102 N D 7 × 103 N 2 Which statement about mass is correct? A Mass is a scalar and its unit is the kilogram. B Mass is a scalar and its unit is the newton. C Mass is a vector and its unit is the kilogram. D Mass is a vector and its unit is the newton. 3 The graph shows the motion of a cyclist during a ride that lasts for 14 s. What is the average speed of the cyclist for the ride? A 2.0 m/s B 2.3 m/s C 2.4 m/s D 2.5 m/s

3 [Turn over 2026 Preliminary Exam/CCHMS/Secondary 4/Physics/6091/01 4 The velocity–time graph for an object is shown. Which expression gives the total displacement of the object? A area 1 – area 2 B area 1 + area 2 2 C area 1 + area 2 D area 2 – area 1 5 A man stands at rest on the surface of the Earth. The weight of the man is the gravitational force that acts on him. According to Newton’s third law, the weight of the man is one force in a pair of forces. Which force is the other force in the pair? A a force downwards on the Earth B a force downwards on the man C a force upwards on the Earth D a force upwards on the man

4 2026 Preliminary Exam/CCHMS/Secondary 4/Physics/6091/01 6 There is no atmosphere on the Moon. Two metal spheres of identical volume but different mass are at rest at the same height above the ground on the Moon. The two spheres are dropped at the same time. How do the spheres move after they are dropped? A The sphere with the larger mass has a smaller acceleration. B The sphere with the larger mass hits the ground first. C The sphere with the smaller mass has a smaller acceleration. D The two spheres hit the ground together. 7 A uniform beam is pivoted at its centre and balanced by three weights as shown. What is distance x? A 17.5 cm B 22.5 cm C 35.0 cm D 37.5 cm

5 [Turn over 2026 Preliminary Exam/CCHMS/Secondary 4/Physics/6091/01 8 Four objects have identical shapes but different distributions of mass. The centre of gravity of each object is shown by the dot marked G. Which object is the most stable? A B C D 9 The mass and volume of an object are varied. Which two changes, when made together, must increase the density of the object? mass volume A decrease decrease B decrease increase C increase decrease D increase increase

6 2026 Preliminary Exam/CCHMS/Secondary 4/Physics/6091/01 10 The diagram shows an instrument that is used to measure the atmospheric pressure. The density of mercury is 1.4 × 104 kg/m3. The gravitational field strength of the Earth is 10 N/kg. What is the atmospheric pressure? A 2.8 kPa B 21 kPa C 106 kPa D 119 kPa 11 A rocket has mass M when empty. The rocket carries an additional mass M of fuel. The rocket and fuel travel at a speed v. When the engine of the rocket is fired, all of the fuel is expelled and the speed of the rocket increases to 2v. What happens to the kinetic energy of the rocket? A It doubles. B It halves. C It increases by a factor of four. D It stays the same. 12 Which energy source is available constantly over a 24-hour period? A natural gas B solar cells C tidal D wind

7 [Turn over 2026 Preliminary Exam/CCHMS/Secondary 4/Physics/6091/01 13 In which example are the particles in fixed positions? A ice in an ice cube B water in a lake C air in an air bubble D water vapour in the atmosphere 14 A glass beaker contains water. When the centre of the base of the beaker is heated, a convection current is set up. Which statement explains this? A The evaporation of water causes water molecules to rise to the surface. B The expansion of water molecules causes them to rise to the surface. C The water above the heat source rises because it becomes less dense. D The water at the side falls because it becomes less dense. 15 What is the colour and texture of the best absorber of infrared radiation? A black and shiny B black and dull C white and shiny D white and dull

8 2026 Preliminary Exam/CCHMS/Secondary 4/Physics/6091/01 16 Solar panels are used to heat water with a mass of 500 kg. The total area of the solar panels is 10 m2 and the average power output from each square metre of the panels is 300 W. The specific heat capacity of water is 4200 J/(kg °C). What is the increase in the water temperature after 8.0 hours? (Assume there is no heat loss.) A 0.69 °C B 4.1 °C C 5.1 °C D 41 °C 17 The diagram shows four changes of state, W, X, Y and Z. Which row gives the names of the four changes of state? W X Y Z A condensation boiling freezing melting B condensation boiling melting freezing C boiling condensation freezing melting D boiling condensation melting freezing 18 The graph is the temperature–time graph for a sample of wax that is heated so that it melts. The mass of the wax is 200 g. Energy is supplied to the wax at a constant rate of 12 000 J/minute. What is the specific latent heat of fusion of the wax? A 180 J/g B 240 J/g C 480 J/g D 600 J/g

9 [Turn over 2026 Preliminary Exam/CCHMS/Secondary 4/Physics/6091/01 19 The graph shows the variation with distance along the wave of the displacement of water particles at a particular instant in time for a transverse water wave. P, Q and R show the positions of three water particles in the wave. Which particle has the greatest speed at the instant shown? A all have the same speed B particle P C particle Q D particle R 20 A sound wave travels from the left to the right. The graph shows the variation of the displacement to the right of particles in the sound wave with distance, at one instant. Which letter represents the centre of a compression?

10 2026 Preliminary Exam/CCHMS/Secondary 4/Physics/6091/01 21 A ship uses ultrasound to measure the depth of the sea. There is a time interval of 0.52 s between transmitting and detecting a pulse of ultrasound. The speed of ultrasound in sea water is 1500 m/s. What is the depth of the sea? A 390 m B 780 m C 1600 m D 5800 m 22 Which components of the electromagnetic spectrum are used to communicate from a remote controller to a television set and from the Earth to a satellite? remote controller to TV set the Earth to a satellite A infrared microwave B infrared ultraviolet C light microwave D light ultraviolet 23 The diagram shows a ray of light directed at a plane mirror. What are the angle of incidence and the angle of reflection? angle of incidence / ° angle o