2022 Sec 3 Science Physics EOY Serangoon Secondary with Answer

Visit FREETESTPAPER.com for more papers Website: freetestpaper.com Facebook.com/freetestpaper Twitter.com/freetestpaper

BP - 231 SERANGOON SECONDARY SCHOOL END.OF.YEAR EXAMINATION SECONDARY 3 EXPRESS CANDIDATE NAME ( ) INDEX NUMBER CLASS scrENcE (PHYSTCS, CHEMTSTRY) Paper 1 Multiple Choice Additional Materials: Mulliple Choice Answer Sheet Setto(s): 5076/01 12 Oct 2022 I hour READ THESE INSTRUCTIONS FIRST Write in sofr pencil. Do not use staplers, paper ciips, glue or correction fluid. Write your Centre number, index number and name on the Multiple Choice Answer Sheet DO NOT WRITE IN ANY BARCODES. There are foity questions oo this paper. Answer all questions. For each question there are four possible answ€rs A, B, C and D. Choose the one you consider correcl and record your choice in sofl pencil on the separate Answer Sheet. Read th. lnslructions on the Answor Sheet very caretully. Each corec-t answer will score one mark. A mark will not be deduc{ed for a wrong answer Any rough working should be done in lhis booklet. A copy of the Data Sheet is printed on page X. A copy of the Periodic Table is printed on page X. The use of an approvad scientific calculator is expocted, where appropriate. This document consists ofg printed pages, including this covar page. PartnerlnLeaming 231 qFK \*

BP-232 1 2 The diagram shows part of a micrometer screw gauge Which is the conect reading shown on the micrometer screw gauge? A 2.90 mm B 2.09 mm C 2.59 mm O 5.90 mm Which list contains only vector quantities? A length, mass, speed B distance, time, speed C mass, length, time O acceleration, displacement,velocity ln an experiment, the time taken by a simple pendulum to complete 50 oscillations was measured and recorded as shown in the table. trial number time for 50 oscillations / s 1 70.7 2 70.1 69.2 What is the period of the pendulum? A 't.40 s B 2.80 s C 70.0s D 140s 2 3 4 The Singapore Airlines offers a flight from Singapore to Hokkaido. During the flight from Singapore to Tokyo, the plane travelled at an average speed of 970 km/h for 5.s hours. The flight then continues for 1.5 hours from Tokyo to Hokkaido, which are 1200 km apart. What is the average speed of the plane for the entire journey from Singapore to Hokkaido? A 140 km/h C 891 km/h 772 kmlh 933 km/h B D mm 0 PartnerlnLearning 232

BP - 233 3 5 A boy takes 10.0 s to walk ftom P to Q, '10.0 s to walk from Q to R and then another 10.0 s to walk from R to S as shown below. 20 20m PS PQRS is a square with side 20 m. What are his average speed and velocity from P to S? average speed / m/s average velocity / m/s A 2.O 0.50 B 2.0 0.67 c 2.0 2.0 D 6.0 0.67 6 A ball is being released from the top of a building. Assuming that there is no air resistance, which diagram shows the speed{ime graph of the ball? velocity velocity time time velocity velocity time time PartnerlnLearning BA Dc 233 I zom 5 I

BP-234 7 4 A block experiences a 600 N force to the right and a 500 N force to the left A lt does not move. B lt moves at a constant acceleration to the left. C lt moves at a constant acceleration to the right D lt moves at a constant velocity to the right. The diagram shows a runner's shoe at the start of a race. Which anow indicates the direction of the ftictional force acting on the runne/s shoe when the runner is moving forward? ( l) 8 ,\ I A 10.0 kg block of iron is brought from Earth to the surface of a planet. Given that the gravitalionalfield strength ofthe planet is 3.90 N/kg and the gravitational field strength of Earth is 10 N/kg, how will the mass and weight of the iron block change? mass weight A unchanged decreases B unchanged rncreases c decreases decreases D increases rncreases PartnerlnLearning 2U 5oo N I I 600 N t_t tt 1

BP - 235 10 The diagrams show the cross-sections of different glasses. D Which is the most stable when filled with liquid? 1 I An electric motor lifts a load of mass 500 kg to a vertical height of 4.8 m in B.O seconds at constant speed. What is the power developed by the motor? [fake 9 = 10 N/kSl A 0.30w B 3.0W c 192W D 3000 W 12 A block of dimension 0.4 m x 0.6 m x 0.8 m rests on the floor as shown. Given that the block has a weight of 19 200 N, what is the highest pressure the block can exert on the floor? 0.6 m 0.4 m 0.8 m 5 BA A 40 000 Pa C 80 000 Pa B 60 000 Pa D 100 000 Pa PartnerlnLearning I

BP - 236 6 13 A pin is squeezed between finger and thumb as shown in the diagram finger pinhead ptn thumb Which statement is correct? A The force of the pin is larger on the finger than on the thumb. B The force oi the pin is larger on the thumb than on the finger. C The pressure of the pin is larger on the flnger than on the thumb. D The pressure of the pin is larger on the thumb than on the finger. 14 The graph shows how the height above the ground of a bouncing ball changes with time. height time Which statement explains why the height of each peak decreases with time? A The ball is wearing out. B The ball gains energy on impact with the floor. C All kinetic energy is converted to potential energy at each bounce. D Some kinetic energy is mnverted to thermal energy at each bounce. '15 ln a Brownian motion experiment involving smoke particles in air, large smoke particles settle quickly but small smoke particles remain suspended for long periods of time. Which statement explains why small smoke particles do not settle quickly? A Air pressure has a greater effect on smaller particles. B The small smoke particles have the same density as air. C There are random collisions between the air molecules. D Random bombardments by air molecules keep the small smoke particles suspended. PartnerlnLeaming 236

BP-237 7 16 Which row best describ€s the behaviour of particles in the gaseous state? A weak closely packed but in a disorderly manner far apart in a disorderly manner 17 Eric stands beside a campfire as shown below and starts to perspire. What is the main process by which heat from the campfire reach Eric? A radiation B convection C conduclion and radiation D conduction and conveclion l8 Two plastic cups are placed one inside the other as shown in the diagram. Hot water is poured into the jnner cup and a lid is put on top as shown. lid small spacer small air gap hot water bench Which statement is correct? A No heat passes through the sides of either cup. B Heat loss by radiation is prevented by the small air gap. C The lid is used to reduce heat loss by convection and evaporation. D The bench is heated by convection from the bottom of the ouler cup. 1 forces between particles arrangement of particles B weak c strong closely packed but in a disorderly manner D strong far apart in a disorderly manner PartnerlnLeaming 237 .x,

BP- 238 8 19 During evaporation, the temperature of the liquid decreases. Which ofthe following shows the changes in the average kinetic and potential energy of the liquid molecules in the liquid during evaporation? average kinetic energy of molecules average polential energy of molecules A decreases unchanged B rncreases decreases c unchanged lncreases D unchanged unchanged 20 Three substances with their respective boiling and treezing points are shown in the table. substance X substance Y substance Z freezinq point / 'C -39 -112 -180 boiling point i "C J5/ 78 36.5 Which substance(s) is/are in gaseous state al '150 'C and solid state at -150 'C? A X only B Y only C Z only D YandZonly END OF PAPER ParlnerlnLeaming 238

BP- 239 SERANGOON SECONDARY SCHOOL END.OF-YEAR EXAMINATION SECONDARY 3 EXPRESS CANDIOATE NAME INDEX NUMBER CLASS SCIENCE PHYSICS Paper 2 (Seetion A) 5076102 7 Oclobet 2022 I hour l5 minutes For examine/s use Section A 45 Candidates answer on the Question Paper Sette(s) READ THESE INSTRUCTIONS FIRST Write your Centre number, index number and name on all the work you hand in Write in dark blue or black pen. You may use an HB p€ncil for any diagrams or graphs. Do not use staplers, paper clips, glue or correction fluid. The