Edgefield-Secondary-Combined-Physics-Prelim-2022

BP- 163 Class Candidate Name: Candidate lndex Number: EDGEFIELD SECONDARY SCHOOL 2022 PRELI M I NARY EXAM I NATION Secondary 4/5 o Syllabus scrENcE (PHYSIGS, CHEMISTRY) Paper 1 Multiple choice Additional Materials: OTAS 5076/01 Aug2022 t hour READ THESE INSIRUCT'O'VS FIRST Write your name, class and index number in the box above and the OTAS sheet. Write in soft pencil. Do not use staples, paper clips, glue or conection fluid. 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 conect 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 16. A copy of the Periodic Table is printed on page 17. The use of an approved scientific calculator is expected, where appropriate. FOR EXAMINER'S USE TOTAL My target grade/mark: Parent's Signature This document consists of 17 printed pages and 1 blank page PartnerlnLeaming 163 ffurn over I I t40 |

BP- 1 64 1 2 Paths are laid as shown between X,Y and Z. Y 5.0 m 12.4m 13.0 m A person walks along the paths from X to Y to Z and then back to X. What is the value of the total displacement and of the total distance travelled? total displacement / m total distance travelled / m A B c D 0 30 30 0 30 0 30 A train sets off from a station at time t = 0. The graph shows how the distance between the train and the station varies with time. distance z 2 0 tn tz time f 3 Which statement about the motion of the train between tt and tz is conect? A lts speed is decreasing and it is moving away from the station. B lts speed is decreasing and it is moving towards the station. C lts speed is increasing and it is moving away from the station. D lts speed is increasing and it is moving towards the station. A wooden block is pushed across a table at constant speed. wooden block pushing force - table Which statement is correct? A The frictional force increases as the block moves at constant speed. B The frictional force is equal and opposite to the pushing force. C The frictional force is greater than the pushing force. D The frictional force is less than the pushing force. EFSS2O22/PRELIM/SCIPHY/4E5N/TCS PartnerlnLeaming 164 ffurn over

BP- 165 4 3 Two cylinders P and Q are made of copper. PQ The height of P is twice that height of Q. The diameter of P is half the diameter of Q. Which statement is correct? A The density of cylinder P is four times that of cylinder Q. B The density of cylinder P is twice that of cylinder Q. G The density of cylinder P is equal to that of cylinder Q. D The density of cylinder P is half that of cylinder Q. 5 A length of thread is aftached to a lamina at point P, as shown in the diagram. thread F lamina The lamina is free to rotate about point Q. The tension in the thread is F. What is the moment of F about Q? AFw BFx CFY OFz t v z yP a o '.w EFSS202zfPRELIM/SCIPHY/4EsN/TCS PartnerlnLeaming 165 [Tum over

BP- 1 66 4 A weightliter picks up a stone ball and places it on a shelf. Each lift takes the same time. Which situation requires the greatest power? AB shel{ ball shell ball c D shelf shelf ball ball A rectangular block of metal has weight 6.0 N and measures 3.0 cm x 4.0 cm x 5.0 cm. What is the smallest pressure that it can exert when resting on a horizontal surface? A 0.10Nicm2 B 0.30N/cm2 C 0.40N/cm2 D 0.50N/cm2 8 Which statement about water is conect? A At the boiling point, water vapour molecules have the same kinetic energy as liquid water molecules. B Evaporation occurs only at boiling point. C Water molecules become heavier when water freezes. D Water molecules lose all of their kinetic energy when water freezes. EFSS2O22,IPRELIM/SCIPHY/4EsN/TCS PartnerlnLeaming 166 flurn over 6 7

",,+ flT @es I t- BP- 167 5 9 The diagram shows the inside of a refrigerator. cooling unit When the refrigerator is first switched on, what happens to the air near the cooling unit? air molecules density of the air A B c D become smaller become smaller move closer together move closer together decreases increases decreases increases 10 The temperature of the water in four beakers are different and areas of the surfaces of the water are also different. ln which beaker is the rate of evaporation of the water greatest? temperature of water / oC surface area of water / cm2 A B c D 20 20 25 25 50 100 50 '100 1'.l The diagram shows the displacement-distance graph of the particles in a wave. Which value is multiplied by the frequency to give the speed of the wave. disdacement 0 distanceB D EFSS2022JPRELIM/SCIPHY/4E5N/ICS PartnerlnLeaming 167 ffurn over I

BP-168 6 12 Which statement about radio waves is correct? A Radio waves are sound waves. B Radio waves are used to kill cancerous cells. C Radio waves are used in television communications. D Radio waves have frequencies higher than those of visible light. 13 The diagram shows an object O placed 3 cm away from a converging lens of focal length 6 cm. 3cm 6cm 6cm What type of image is produced? A real, erect and diminished B real, inverted and magnified G virtual, erect and magnified D virtual, inverted and diminished 14 A longitudinal wave passes along a spring. The coils of the spring vibrate from side to side. The diagram shows the positions of the coils at one particular time. oF F ill t t t |t t WXY Which positions are one wavelength apart? A Wandx B WandZ C XandZ ilt D YandZ Z EFSS2O22iPRELIM/SCIPHY/4E5N/ICS ParlnerlnLeaming 168 [Turn over

BP- 169 7 15 Two balloons are suspended from the ceiling by string and have moved apart as shown. ceiling string balloon Which statement is conect? A One is charged and the other is uncharged. B They are uncharged. C They have like charges. D They have unlike charges. 16 A wire of length 0.50 m and cross-sectional area 1 .0 x 10{ m2 has a resistance of 0.75 O. Another wire of the same material has a length of 2.0 m and a cross-sectional area of 0.50 x 104 m2. What is the resistance of the longer wire? A 0.0940 B 0.380 c 1.5C) D 6.00 17 Two resistors are connected in a circuit as shown 10Q The reading on the voltmeter Vr is 2V. Which statement is conect? A The current in the 5 Q resistor is greater than the cunent in the 10 Q resistor B The current in the 10 Q resistor is 20 A. C The electromotive force of the cell is 3 V. D The reading of the voltmeter Vz is 4 V. 5() I EFSS2O2ZPRELIM/SCtPHYi4E5I\UTCS PartnerlnLeaming 169 flurn over

BP- 170 f8 8 ln a household electrical circuit, why are fuses and switches always placed in the live lead? A A break in the live wire cuts off the appliance from the voltage supply. B A break in the neutral wire would not stop current in the circuit. G The live wire canies a greater current. D The neutral wire canies no current. 19 Five electrical appliances are connected to the same socket and there is a very large current. Why is this dangerous? A The fuses blow in the appliances. B There is a greater risk of an electrical shock. C There is overheating in each appliance. D There is overheating in the socket. 20 Which diagram shows the magnetic field pattern in the region between the N-poles of the two bar magnets? ABCD N N N N N N N NE a EFSS2O22/PRELIM/SCIPHYi4EsN/TCS PartnerlnLeaming 170 ffurn over

Class Candidate Name: EDGEFIELD SECONDARY SCHOOL 2022 PRELIMI NARY EXAM I NATIO N Secondary 4/5 o Syllabus scrENcE (PHYSICS) Paper 2 Candidates answer on the Question Paper No additional materials are required FOR EXAMINER'S USE SECTION A SECTION B t45 t20 TOTAL /65 5076102 Aug2022 t hour 15 minutes My target grade/mark: Parent's Signature READ THESE IA'SIRUCI'OffS F'RSI Write your name, class and index number in the box above. Write in dark blue or black ink. You may use a soft pencil for any diagrams, graphs or rough working Do not use staples, paper clip