2022 VS Phy Prelims P1

Class Register Number Name 6091/01 22/4P/6091/1 PHYSICS PAPER 1 Tuesday 13 September 2022 1 hour VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL PRELIMINARY EXAMINATION SECONDARY FOUR Additional materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write in soft pencil. Write your name, class and index number on all the work you hand in. Do not use staples, paper clips, glue or correction 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 that 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. This question paper consists of 18 printed pages, including the cover page. [Turn Over

2 ©Victoria School 22/4P/6091/1 1 A micro-meter screw gauge is used to measure the diameter of a steel ball. Fig. 1.1 shows the reading on the micro -meter when it is closed without an object. Fig. 1.2 shows the reading taken with the steel ball between the jaws. What is the diameter of the steel ball? A 2.78 mm B 2.80 mm C 5.28 mm D 5.30 mm 2 A car is at rest at a traffic light. When the traffic light turns green, the car driver steps on the accelerator. The graph shows the variation of the acceleration with time of the car. The traffic light turns green at time = 0. Which graph represents the displacement-time graph of the car? A B C D 0 0 45 40 5 0 30 25 20 35 Fig. 1.1 Fig. 1.2 acceleration time 0 displacement time 0 displacement time 0 displacement time 0 displacement time 0

3 ©Victoria School 22/4P/6091/1 3 The diagram shows three forces acting on the centre of gravity G of a body which is initially at rest. The 30 N forces make an angle θ with the line GX. What is the motion of the body? A It accelerates in the direction GX. B It accelerates in the direction XG. C It moves at constant speed in the direction GX. D It moves at constant speed in the direction XG. 4 There is a small air bubble in some water. The volume of the bubble is 2.37 x 10-8 m3. The density of air is 1.29 kg / m3. The density of water is 1000 kg / m3. The gravitational field strength is 10 N / kg. What is the weight of the air in the air bubble? A 3.06 x 10-8 N B 1.84 x 10-7 N C 3.06 x 10-7 N D 2.37 x 10-4 N G 30 N X 30 N 60 N θ θ

4 ©Victoria School 22/4P/6091/1 5 Which of the following statements is true? A Mass is the gravitational force acting on an object. B The mass of an object is dependent on the gravitational field strength at that point. C The reluctance of a body to change its state of rest or uniform motion is dependent on its mass. D The unit for weight is kilogram. 6 The diagram shows a balancing toy pivot ed on a triangular stand. When the toy is tilted slightly, it remains stationary at the new position. Where is the centre of gravity of the balancing toy? 7 A beam is pivoted at one end . A force of 5.0 N is acting vertically upwards on it as shown. The beam is in equilibrium. What is the weight of the beam? A 2.0 N B 3.0 N C 3.3 N D 5.0 N A B C D 2.0 cm 3.0 cm 5.0 N weight of beam pivot

5 ©Victoria School 22/4P/6091/1 8 The diagram shows a student lifting a box of weight 50 N from a low shelf to a high shelf. How much work is done by the student? A 30 J B 60 J C 75 J D 90 J 9 A 5.0 kg box that is initially at rest is pushed horizontally across a smooth floor. At a time of 3.0 s, the speed of the box is 3.0 m / s. At a time of 5.0 s, the speed of the box is 7.0 m / s. What is the gain in kinetic energy from 3.0 s to 5.0 s? A 20 J B 40 J C 100 J D 120 J 10 The diagram shows an aluminium block with density of 2700 kg / m3 resting on one side. What is the smallest pressure that it can exert on the floor? A 1400 Pa B 5400 Pa C 27 000 Pa D 54 000 Pa 0.3 m 1.5 m low shelf high shelf floor d 0.20 m 0.50 m 1.0 m

6 ©Victoria School 22/4P/6091/1 11 In the diagram, syringe X is connected to syringe Y through a connecting tube. Both syringes and the connecting tube are filled with water. The radius of the piston in syringe Y is twice the radius of the piston in syringe X. A force, F, is applied on the piston in syringe X. What is the force experienced by the piston in syringe Y? A 0.25 F B 0.50 F C 2.0 F D 4.0 F 12 The resistance of a copper wire when placed in water at 20 °C is 0.50 Ω. When the same wire is placed in a beaker of boiling water, its resistance is 2.1 Ω. What is the temperature when the resistance of the wire is 1.6 Ω? A 45 °C B 55 °C C 65 °C D 75 °C 13 Which of the following statements about temperature is true? A Temperature is a form of energy. B Temperature is a measure of the amount of heat within a body. C Temperature is a measure of the degree of hotness or coldness of a body. D Temperature will flow from a hotter region to a cooler region. 14 Robert Boyle in 1662, states that the pressure P of a given quantity of gas varies inversely with its volume V at constant temperature. Which graph is correct? A B C D syringe X syringe Y connecting tube P P 1 V PV V PV V 1 V F

7 ©Victoria School 22/4P/6091/1 15 A gas in a container is compressed to half its original volume at constant temperature. What effect does this have on the average speed of the molecules and the pressure they exert? average speed of molecules pressure of gas A decreases decreases B increases increases C remains constant decreases D remains constant increases 16 A flask is filled with air and tightly capped at room temperature. The flask is then placed in melting ice. Which of the following is true about the pressure and the speed of air molecules in the flask? pressure speed of molecules A decreases decreases B decreases increases C increases decreases D increases increases 17 Which statement correctly describes thermal energy transfer? A Conduction is a process of thermal energy transfer that involves the vibration of particles. B Heat flows from a hotter body to a colder body, and coldness flows in the opposite dire