XMS 2026 Physics P1 QP

This document consists of 12 printed pages. [Turn over Preliminary Examination 2026 CANDIDATE NAME CLASS INDEX NUMBER PHYSICS Paper 1 Multiple Choice Secondary 4 Express Setter: Ms Cindy Oh Vetter: Mr Zhuang Haoyang 6091/01 02 SEP 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 index number on the Question Paper and Answer Sheet in the spaces provided. There are forty questions in this paper. Answer all questions. For each question, there are four possible answers, A, B, C, 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. For Examiner’s Use Total 40 Parent’s Signature

2 XMSS/Physics/6091/01/Preliminary Examination 2026 1 Which is not a correct unit for electric charge? A A s B C C Cd D J V-1 2 A simple pendulum is set into oscillation on Earth, Jupiter, Mars and Neptune in turn. The acceleration due to free fall of the planets are 9.8 m s-2, 25 m s-2, 3.7 m s-2 and 11 m s-2 respectively. On which planet will the pendulum oscillate the fastest? A Earth B Jupiter C Mars D Neptune 3 A force of 12 N acts on block A and block B of mass 2 kg and 4 kg respectively. The floor is smooth and the string connecting block A and block B is taut. What is the tension in the string connecting block A and block B? A 4 N B 6 N C 8 N D 12 N 4 5000 kg of molten iron is mixed with 2.0 m3 of molten copper. The densities of molten iron and molten copper are 7.5 g cm-3 and 9.0 g cm-3 respectively. What is the density of the mixture? A 7.5 g cm-3 B 8.3 g cm-3 C 8300 kg m-3 D 8600 kg m-3 5 A balancing toy is pivoted on a triangular stand. When the toy is tilted slightly, it stays at the new position. Where is the centre of gravity of the toy? B 4 kg 12 N

3 XMSS/Physics/6091/01/ Preliminary Examination 2026 [Turn over 6 In a hydraulic system, a 450 kg car is loaded on one side of the system with an area of 300 m2. The other side of the system has an area of 0.50 m2. What is the minimum magnitude of force F needed to lift the car? A 0.75 N B 7.5 N C 270 000 Pa D 2 700 000 Pa 7 A diver of mass 60 kg is 20 m below water level. The atmospheric pressure is 100 000 Pa and the density of water is 1000 kg m-3. What is the pressure experienced by the diver? A 12 000 Pa B 112 000 Pa C 200 000 Pa D 300 000 Pa 8 A manometer is filled with water and oil, and both ends are open to atmospheric pressure of 100 000 Pa. The densities of water and oil are 1000 kg m-3 and 800 kg m-3 respectively. What is the height h of the column of oil? A 6.4 cm B 10 cm C 13 cm D 18 cm 9 Substances in gaseous state have no definite shape and size because A the inter-particulate forces are very weak. B the particles are in continuous random motion. C the particles have bigger size than particles in solid state and liquid state. D the particles have greater mass than particles in solid state and liquid state.

4 XMSS/Physics/6091/01/Preliminary Examination 2026 10 A smooth piston and cylinder combination has trapped some air and is lying horizontal. Energy in the internal store of the trapped air is transferred to the surroundings. Which quantity/quantities has/have decreased after some time? 1 pressure of trapped air 2 temperature of trapped air 3 volume of trapped air A 2 only B 1 and 2 only C 2 and 3 only D 1, 2 and 3 11 Air in a closed container contains smoke, illuminated by bright light. When viewed through a microscope, bright specks of light are seen moving at random. Which statement is correct? A The random motion of the specks is faster in a vacuum. B The specks move faster when the air is at a higher temperature. C The specks seen are molecules of air in continuous random motion. D When the light is turned off, the specks slow down and stop moving. 12 Which statement is true? A Land breeze happens during day time because the land is warmer than the sea. B Land breeze happens during night time because the land is cooler than the sea. C Sea breeze happens during day time because the sea is warmer than the land. D Sea breeze happens during night time because the sea is cooler than the land. 13 Which statement is false? A A black car is cooler than a white car during hot days as it emits more energy from its internal store. B Heating elements and cooling fins are both painted black to emit energy from their internal stores. C White clothes can keep us cool during hot days. D White clothes can keep us warm during cold days.

5 XMSS/Physics/6091/01/ Preliminary Examination 2026 [Turn over 14 The direction of energy transfer by heating from one internal store to the other internal store of two bodies in contact depends on the __________. 1 amount of energy in the internal stores of the two bodies 2 specific heat capacities of the two bodies 3 temperature of the two bodies Which descriptor(s) is/are correct? A 1 only B 1 and 3 only C 2 and 3 only D 3 only 15 Which statement is false? A Boiling is fast but evaporation is slow. B Boiling occurs throughout the liquid but evaporation occurs only at the surface. C Bubbles are formed during boiling but not during evaporation. D Temperature is constant during boiling, but increases during evaporation. 16 A 2.0 kg copper ball at 500 °C is put into 0.50 kg of water at 60 °C. No energy is transferred to the surroundings. Given: specific heat capacity of copper = 390 J /(kg °C) specific heat capacity of water = 4200 J /(kg °C) specific latent heat of vaporisation of water = 2 260 000 J /kg How much water will vaporise to steam? A 0.082 kg B 0.10 kg C 0.12 kg D 0.14 kg 17 Which option is the same as the speed of a transverse wave? A Amplitude divided by time taken for one complete oscillation B The speed of a crest on the wave C The speed of a particle on the wave D Wavelength divided by time taken for the wave to travel from the start to the end 18 When a sound wave travels from air into water, how would its frequency, speed and wavelength change? frequency speed wavelength A increases decreases decreases B increases increases no change C no change decreases decreases D no change increases increases

6 XMSS/Physics/6091/01/Preliminary Examination 2026 19 Which is/are properties of electromagnetic (EM) waves? 1 All EM waves are transverse waves. 2 All EM waves can be reflected and refracted. 3 All EM waves carry energy. A All of the above B 1 only C 3 only D 1 and 3 only 20 The graphs show three types of EM waves. Which EM waves are shown in the graphs? graph 1 graph 2 graph 3 A radio waves infrared radiation visible light B radio waves visible light infrared radiation C X-rays ultraviolet radiation visible light D X-rays visible light ultraviolet radiation 21 Which application uses infrared radiation? 1 Cooking food 2 Detecting fake notes 3 Sun-tanning A 1 only B 3 only C 2 and 3 only D 1, 2 and 3 22 Which is the correct sequence to induce a positive charge in a neutral conducting sphere? 1 Earth the sphere momentarily. 2 Remove the charged rod. 3 Place a negatively-charged rod near the cond