2025 CHIJ 4E5N Sci Phy Prelim P1

CONVENT OF THE HOLY INFANT JESUS SECONDARY Preliminary Examination in preparation for the General Certificate of Education Ordinary Level 2025 CANDIDATE NAME CLASS REGISTER NUMBER SCIENCE (PHYSICS, CHEMISTRY) Paper 1 Multiple Choice Additional Materials: Multiple Choice Answer Sheet 5086/01 3 September 2025 1 hour READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your class, register number and name on the Answer Sheet in the spaces provided unless this has been done for you. There are forty questions in 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. A copy of the Data Sheet is printed on page 19. A copy of the Periodic Table is printed on page 20. The use of an approved scientific calculator is expected, where appropriate. This document consists of 19 printed pages 1 blank page.

2 CHIJSec/2025/OLevelPrelim/5086/01 1 An object begins to fall close to the Earth’s surface. Air resistance can be ignored. Which statement about the object’s acceleration is correct? A The acceleration is constant. B The acceleration decreases as the body falls. C The acceleration increases as the body falls. D The acceleration is zero 2 Which quantity is equal to gravitational field strength? A weight x mass B gravity per unit mass C mass per unit weight D ݃݅݁ݓℎݐ ݏݏܽ݉ 3 The diagram shows a speed-time graph for a bus. Which statement about the motion of the bus is correct? A The acceleration is greater in section P than in section R. B The acceleration is not constant in section P or in section R. C The bus is at rest in section Q and in section S. D The speed is constant in section Q and in section S. speed time P Q R S

3 CHIJSec/2025/OLevelPrelim/5086/01 [Turn over 4 A liquid is held in a cylindrical container. The diameter of the base of the cylinder is d. The mass of the liquid is m and its depth is h. Using pressure = ௙௢௥௖௘ ௔௥௘௔ , which expression gives the pressure due to the weight of the liquid on the bottom of the cylinder? A ݃݉ ߨ݀ଶ B ݃݉ℎ ߨ݀ଶ C 4݃݉ ߨ݀ଶ D ݃݉ 4ߨ݀ଶ 5 A block of mass 4.0 kg is pulled across a rough horizontal surface with a force of 30 N. The acceleration of the block is 2.5 m/s2. What is F, the force of friction between the block and the surface? A 10 N B 20 N C 30 N D 40 N liquid h 30 N 4.0 kg F liquid h

4 CHIJSec/2025/OLevelPrelim/5086/01 6 The diagram shows a force F acting at 90o to a bar at a distance d from the point P. Which pair of changes causes the greatest increase in the moment of the force F about the point P? A halving F and halving d B halving F and doubling d C doubling F and halving d D doubling F and doubling d 7 The diagram shows the path of a long jumper. Point R, where she lands, is on the same horizontal level as point P , from where she takes off. The long jumper experiences air resistance as she runs and jumps. Which graph shows how the energy in the kinetic store and the energy in the gravitational potential store of the long jumper vary with time between point P and R? F d P Q R kinetic store gravitational potential store

5 CHIJSec/2025/OLevelPrelim/5086/01 [Turn over 8 A gas expands slowly and its temperature remains constant. What happens to the particles of the gas? A They move further apart and their average speed decreases. B They move further apart and their average speed increases. C They move further apart and their average speed remains unchanged. D They stay the same distance apart and their average speed decreases. 9 A hot meal is supplied in a container made of shiny metal foil. Why does the container help to keep the food hot? A The container traps air which increases convection. B The foil is a poor thermal conductor. C Shiny metal foil is a good absorber of infrared radiation. D Shiny metal foil is a poor emitter of infrared radiation. 10 The diagram shows a wave. Which dimensions describe the properties of the wave? A P = amplitude, S = speed B P = speed, Q = wavelength C R = amplitude, Q = wavelength D R = amplitude, S = wavelength displacement from undisturbed position position along wave P Q R S

6 CHIJSec/2025/OLevelPrelim/5086/01 11 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 12 An object is placed in front of a plane mirror. The ray diagram shows the reflection of one ray of light from the object by the mirror. Where does the mirror form an image of the object? NOT TO SCALE A screen screen screen A B C D image image image image object plane mirror

7 CHIJSec/2025/OLevelPrelim/5086/01 [Turn over 13 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? use harmful effect A detection of cancer mutations B intruder alarms skin burns C detection of fake bank notes cell damage D thermal imaging internal bleeding of body cells 14 The diagram shows a charged rod X placed on a balance and another rod Y brought close to it, as shown. Which combination of charges on the rods would cause the change in the balance reading shown? X Y A negative charge negative charge B negative charge positive charge C negative charge no charge D positive charge no charge X X Y

8 CHIJSec/2025/OLevelPrelim/5086/01 15 The diagram shows three wires, P , Q and R. They are all made from the same metal. Which list gives the wires in order of resistance, from lowest to highest? A P → Q → R B Q → R → P C R → P → Q D R → Q → P 16 The diagram shows a circuit containing lamps P, Q and three ammeters. The resistance of lamp P is bigger than the resistance of lamp Q. The current in ammeter 1 is 0.30 A. Which row gives possible values for the currents in ammeters 2 and 3? current in ammeter 2 /A current in ammeter 3 /A A 0.10 0.30 B 0.15 0.30 C 0.20 0.30 D 0.30 0.00 0.8 cm2 0.8 cm2 1.6 cm2 2 cm 4 cm 2 cm P Q R ammeter 1 ammeter 2 ammeter 3 P Q

9 CHIJSec/2025/OLevelPrelim/5086/01 [Turn over 17 The diagram shows the information label on an electric kettle. What is the value of the current when the kettle is heating water? A 0.014 A B 2.2 A C 3.7 A D 14 A 18 A magnetic field is represented in the diagram by magnetic field lines. At which point is the magnetic field the strongest? 1.5 kW

10 CHIJSec/2025/OLevelPrelim/5086/01 19 A straight vertical wire carries a current in the direction shown. What is the pattern of the magn