AES 2025 Physics Prelim P1 QP

Name: ....................................................... ( ) This Question Paper consists of 17 printed pages including this page. [Turn over ASSUMPTION ENGLISH SCHOOL PRELIMINARY EXAMINATION 2025 PHYSICS 6091 / 01 ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL LEVEL: Sec 4 Express DATE: 3 September 2025 CLASS: Sec 4/1 DURATION: 1 hour Additional Materials provided: 1 sheet of OAS paper INSTRUCTIONS TO CANDIDATES Do not open this booklet until you are told to do so. Write your NAME and INDEX NUMBER at the top of this page and on the OAS paper. Shade your index number on the OAS paper. There are 40 questions in this section. 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 or 2B pencil on the OAS paper provided. DO NOT fold or bend the OAS paper. At the end of the examination, hand in your OAS paper and question booklet separately.

2 6091/4E/PRELIM/25 MULTIPLE-CHOICE QUESTIONS (40 marks) Answer all questions on the OAS paper provided. 1 Which list of SI units contains base units only? A ampere, kilogram, hour, volt B ampere, kilogram, kilometre, second C kelvin, metre, mole, second D kelvin, metre, second, volt 2 Which instruments are best used to determine the density of a small metal ball? A digital caliper, measuring cylinder B electronic balance, measuring cylinder C measuring tape, beaker D micrometer screw gauge, electronic balance 3 The diagram shows the velocity-time graph of an object. Which statement must be correct? A The greatest rate of change of velocity is 0.33 m/s2. B The object moves in the opposite direction at t = 8 s. C The object stops moving at two different parts of the motion. D The total distance travelled by the object is 30 m. 3 2 1 0 -1 -2 time / s 2 4 6 8 10 12 14 16 18 20 velocity / m/s

3 6091/4E/PRELIM/25 [Turn Over 4 An object falls through a vacuum. Which row correctly describes the acceleration and the velocity of the object? acceleration velocity A constant constant B constant increasing C increasing constant D increasing increasing 5 An astronaut initially weighs 800 N on Earth. He travels to the Moon and does some physical work daily. He weighs 120 N on the Moon after a month. The gravitational field strength on the Moon is 1.6 N/kg. The gravitational field strength on Earth is 10 N/kg. How much mass is lost by the astronaut? A 0 kg B 5.0 kg C 8.0 kg D 12 kg 6 A rocket of mass 3. 2 × 105 kg has an upward thrust of 4 .5 × 103 kN when leaving Earth’s surface. The gravitational field strength is 10 N/kg. What is the initial acceleration of the rocket? A 0.99 m/s2 B 4.1 m/s2 C 10 m/s2 D 13 m/s2

4 6091/4E/PRELIM/25 7 Three forces of the same magnitude act simultaneously on an object. Which pair of vector diagrams show the same resultant force? A W and X B W and Y C X and Z D Y and Z 8 A uniform metre rule has a weight of 30 N. A 15 N box is placed at the 20 cm mark. The metre rule can be balanced on a pivot. At which mark should the pivot be placed? A 10 cm B 30 cm C 40 cm D 60 cm W X Y Z 0 20 50 100

5 6091/4E/PRELIM/25 [Turn Over 9 A student tries out different ways of stacking two containers. One container is made of wood, and the other is made of metal. The dimensions of the containers are identical. Which arrangement has the greatest stability? 10 A child stands on snow wearing snowshoes. The mass of the child is 40 kg and his two feet have a total area of 0.018 m2. The mass of the snowshoes is 2.0 kg and have a total area of 0.50 m2 in contact with the snow. The gravitational field strength is 10 N/kg. What is the pressure exerted on the snow? A 77 Pa B 800 Pa C 810 Pa D 840 Pa

6 6091/4E/PRELIM/25 11 The diagram shows a gas trapped in the left arm of a manometer containing mercury. Given that the atmospheric pressure is 760 mm Hg, what is the pressure of the trapped gas? A 70 mm Hg B 150 mm Hg C 840 mm Hg D 910 mm Hg 12 A block of wood is pulled along a horizontal bench at a speed of 6.0 m/s by a force of 8.0 N. How much work is done due to the frictional force in 5.0 s? A 40 J B 48 J C 240 J D 480 J 13 Which energy resource is correctly described? energy resource renewable availability A biofuels yes at all times B nuclear no irregular C solar radiation yes at all times D wind no irregular gas mercury 70 mm 150 mm 300 mm 6.0 m/s 8.0 N wooden block

7 6091/4E/PRELIM/25 [Turn Over 14 The total energy incident in 1.0 s on a group of solar panels is 120 J/m2. 720 J of energy is transferred in 1.0 s by the solar panels to be stored in a battery. If the efficiency of the system is 17%, w hat is the total surface area of the panels? A 6.0 m2 B 7.0 m2 C 11 m2 D 35 m2 15 Which statement best explains why substances in gaseous state are less dense than when they are in liquid or solid states? A Particles in gaseous state are in random and continuous motion. B Particles in gaseous state expand more than when they are in liquid or solid state. C Particles in gaseous state have smaller mass than when they are at liquid or solid state. D Spaces between particles in gaseous state are larger than when they are in liquid state or solid state. 16 Smoke particles in a sealed container are illuminated by a beam of light. Under a microscope, the smoke particles are observed to move randomly. What causes this motion? A atomic vibrations within the smoke particles B collisions between smoke particles C collisions of smoke particles with rapidly moving air molecules D smoke particles gain energy from the beam of light 17 Which description of a dull black surface is correct? A good emitter and good absorber of radiation B good emitter and poor absorber of radiation C poor emitter and good absorber of radiation D poor emitter and poor absorber of radiation

8 6091/4E/PRELIM/25 18 A tall plastic can contains water at room temperature. The can is placed on top of a big block of ice. What is/are the main process(es) that cool(s) the water at the top of the can? A conduction B conduction and convection C convection D convection and radiation 19 Which statement describes what happens when wax solidifies? A There is a transfer of energy and a change in temperature. B There is a transfer of energy but no change in temperature. C There is no transfer of energy and no change in temperature. D There is no transfer of energy but there is a change in temperature. 20 Different amounts of energy Q are supplied to copper blocks of different masses. Which block experiences the greatest temperature change? A B C D Q = 150 J Q = 150 J Q = 300 J Q = 300 J plastic can ice 1.0 kg 2.0 kg 1.0 kg 2.0 kg

9 6091/4E/PRELIM/25 [Turn Over 21 A transverse wave travels along a rope from left to right. The diagram shows the rope at time t = 0 s. The