Broadrick Prelim P1

1 This question paper consists of 19 printed pages including this page. Setter: Ms Amanda de Souza [Turn over Name Class Index Number BROADRICK SECONDARY SCHOOL SECONDARY 4 EXPRESS PRELIMINARY EXAMINATION 2024 PHYSICS Paper 1 Multiple Choice Additional Materials: Multiple Choice Answer Sheet 6091/01 September 2024 1 hour READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your name, index number and class on the OTAS answer sheet. There are forty questions in this paper. 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 pencil on the separate OTAS answer sheet. 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.

2 6091/1/09/24 [Turn over 1 A light year is the distance light travels in 1 year (365 days). Which of the following is the nearest estimate of 1 light year? A 10 000 km B 10 000 Mm C 10 000 Gm D 10 000 Tm 2 The SI unit for pressure is Pascal and the symbol is Pa. Which of the following symbols are the equivalent base unit for pressure? A kg m s2 B kg m / s2 C kg m3 / s2 D kg / m s2 3 Two objects have the same size and shape but one is heavier than the other. They are each dropped from rest in air. Which of the following statements is correct? A The heavier object has a higher initial acceleration and a higher terminal velocity. B The heavier object has a higher initial acceleration and the same terminal velocity. C The heavier object has the same initial acceleration and a higher terminal velocity. D The heavier object has the same initial acceleration and the same terminal velocity. 4 A small jet plane is at rest on a runway, ready for take off. The average acceleration during take- off is 2.2 m / s2 and the minimum speed required for take-off is 66 m / s. What is the minimum length of runway required for the jet plane to take off? A 145 m B 990 m C 1980 m D 4356 m 5 A man is sitting on a bench. Two forces act on him – his weight, W and the normal contact force, N. Which of the following makes an action-reaction pair with his weight, W? A The force acting on the bench by the man. B The force acting on the Earth by the man. C The force acting on the man by the bench. D The force acting on the man by the Earth.

3 6091/1/09/24 [Turn over 6 In which of the following scenarios is the resultant force on the moving body equal to zero? A a bicycle decelerating along a straight horizontal track B a car turning a corner at constant speed C a rock falling freely on the Moon D a train going up a hill along a straight path at constant speed 7 The following table shows the masses and weights of object W, X, Y and Z on some planets. Object Mass / kg Weight / N W 40 360 X 20 200 Y 10 40 Z 5 45 Which two objects are likely to be on the same planet? A W and X B W and Z C X and Y D Y and Z 8 The diagrams show three identical containers. The first is empty and the other two contain water and sand respectively. The density of water is 1 g / cm3. What is the density of the sand? A 1.12 g / cm3 B 1.25 g / cm3 C 1.89 g / cm3 D 2.70 g / cm3 100 g 190 g 270 g empty container container with water container with sand

4 6091/1/09/24 [Turn over 9 The diagram shows a bottle containing air, some oil and 150 g of sand. Another 50 g of sand is added to the bottle. How does the centre of gravity move? A from W towards X B from X towards Y C from Y towards X D from Y towards Z W X Y Z air oil sand

5 6091/1/09/24 [Turn over 10 An open tube stands, with one end in mercury, in a chamber that is connected to a gas supply. The pressure of the gas is P mmHg. The atmospheric pressure is A mmHg. x and y are measured in millimetres. Which of the following is equivalent to P mmHg? A x mmHg B (x + A) mmHg C (x - A) mmHg D (x + y + A) mmHg 11 Two containers X and Y are connected as shown. They are filled with the same liquid. The pressure at P is 100 000 Pa and the pressure at Q is 160 000 Pa. The gravitational field strength is 10 N / kg. What is the pressure at R? A 80 000 Pa B 140 000 Pa C 160 000 Pa D 180 000 Pa container X container Y P Q R 6.0 m 2.0 m x y gas supply P mmHg mercury

6 6091/1/09/24 [Turn over 12 The following are eight different energy resources. Biofuels Geothermal reservoirs Nuclear fuels Tides Fossil fuels Hydropower Solar power Wind How many of these energy resources are renewable? A 4 B 5 C 6 D 7 13 An object of mass 40 kg falls freely from a height of 20 m on the moon. The gravitational field strength on the moon is 1.6 N / kg. If 200 J of energy is transferred to the internal store of the surroundings as the object falls, what is the speed of the object when it hits the ground? A 7.35 m / s B 8.00 m / s C 19.7 m / s D 20.0 m / s 14 A series of experiments were carried out to estimate the useful power output of a student running up flights of stairs, ignoring the work done against friction and air resistance. Which of the following measurements is not required for these experiments? A time taken to run up the flights of stairs B total horizontal distance covered by the flights of stairs C total vertical height of the flights of stairs D weight of the student

7 6091/1/09/24 [Turn over 15 Smoke particles in a transparent container are observed under a microscope. A small point of light is seen to move around as shown. When the temperature in the container is raised, what change can be observed? A The small point of light becomes brighter. B The small point of light changes direction more frequently. C The small point of light increases in size. D The small point of light moves slower. 16 Which of the following describes a substance in the liquid state? A The substance does not have a fixed volume and the particles move very fast. B The substance has a fixed volume and the particles are arranged in a regular manner. C The substance has a fixed volume and the particles move around freely and randomly. D The substance has a fixed volume and the particles vibrate very fast. 17 A solid X is in thermal equilibrium with a solid Y. Solid Y is at the same temperature as solid Z. The three bodies are made of different materials and have different masses. Which of the following statements is true? A There is no net transfer of energy when X is placed in thermal contact with Z. B X and Y have the same specific heat capacity. C Y and Z have the same internal energy. D Y is not in thermal equilibrium with Z.

8 6091/1/09/24 [Turn over 18 The diagram shows a frozen pond with the surface of the ice slowly melting as thermal energy is gained from the warmer air above it. By which process(es) is / are thermal energy transferred from the air to the ice? A conduction only B conduction and convection only C conduction and radiation only D conduction, convection and radiation 19 Equal masses of three liquids X, Y and Z are heated from room temperature. Heat energy is supplied at the same rate to each liquid. The graph below shows how the temperature of each liquid varies with time after heating starts. What can be deduced from the graph? A X gains the most internal energy. B