NV 2025 Phy P1 3E EOY

NORTH VISTA SECONDARY SCHOOL End-of-Year Examination 2025 Secondary 3 Express __________________________________________________________________________ PHYSICS 6091/01 Paper 1 Multiple Choice 3 October 2025 1 hour Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction tape/fluid. Write your full name, register number and class on the Answer Sheet in the spaces provided unless this has been done for you. 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 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 question paper. The use of an approved scientific calculator is expected, where appropriate. CANDIDATE NAME CLASS INDEX NUMBER This document consists of 14 printed pages. [ Turn over 40

2 1 Which quantity is a base quantity? A charge B force C temperature D weight 2 A pendulum clock is found to lose 10 minutes per day. Which action can correct this clock? A decreasing the amplitude of oscillation B increasing the amplitude of oscillation C decreasing the length of pendulum D increasing the length of pendulum 3 A student determines the density of a solid metal cube. Which pieces of equipment does the student use? A a balance and a force meter B a balance and a ruler C a micrometer and a measuring cylinder D a ruler and a measuring cylinder 4 A car decelerates from velocity v. The deceleration gradually increases. Which graph shows how the velocity of the car changes? 5 A cyclist, riding at a speed of 5.0m/s, brakes with uniform deceleration and stops in 3.0m. How long does the cyclist take to stop? A 0.60s B 1.2s C 1.3s D 3.0s A B C D velocity time velocity time velocity time velocity time v v v v

3 6 An object falls in air. Its position at equal time intervals is shown by a sequence of dots. Which sequence of dots is correct? 7 Which statement about gravitational field is correct? A It is a region affected by the medium through which a mass travels. B It is a region where a mass experiences a force due to gravitational attraction. C It is a region where a force experiences gravitational attraction due to its mass. D It is a region which only exists around large masses.

4 8 An astronaut measures the mass and the weight of various objects on the Earth and the Moon. Which diagram shows the correct graph of weight against mass for the various objects on the Earth and Moon? 9 When a solid A of mass 12g is immersed in a measuring cylinder filled with water, it displaces the same volume of water as a solid B of mass 8g. What can be deduced about the densities of solids A and B ? A Both A and B have the same density. B The density of A is one and half times the density of B. C The density of A is greater than B by a factor of 4. D The density of A is less than B by a factor of 4. 10 What must be changing when a body is accelerating uniformly? A direction of the body B force acting on the body C speed of the body D velocity of the body A B C D weight mass weight mass weight mass weight mass Earth Moon Earth Moon Earth Moon Earth Moon

5 11 A horse pulls a block along a rough horizontal floor. A force acts in the rope between the horse and the box. Another force acts between the horse’s feet and the floor. In which direction do these forces act on the horse? force in the rope on horse force on horse’s feet A towards the left towards the left B towards the left towards the right C towards the right towards the left D towards the right towards the right 12 The bob of a simple pendulum is pulled horizontally by a force that is equal to the weight W of the bob. Which diagram shows the angle between the pendulum thread and the vertical? motion floor

6 13 A Bunsen burner is a very stable object. Why is this so? A It has a high centre of gravity and broad base. B It has a high centre of gravity and narrow base. C It has a low centre of gravity and broad base. D It has a low centre of gravity and narrow base. 14 A uniform metre rule is balanced at the 40cm mark by a 5.0N downward force acting at the 20cm mark. What is the mass of the metre rule? A 0.20kg B 0.50kg C 2.0kg D 1.0kg 15 The diagram below shows the first step in an experiment to determine the position of the centre of mass of a thin card. What is the next step in this experiment? A find the midpoint of PQ B hang the card from point R C measure the thickness of the card D measure the mass of the card 20cm 40cm 5.0N thin string bob R P card Q

7 16 A builder leaves two identical, heavy, stone tiles resting on soft earth. One is vertical and the other is horizontal. After a few hours, the vertical tile has started to sink into the soft earth. The horizontal one has not started to sink. Which row correctly compares the forces and the pressures that the tiles exert on the earth? forces pressures A different different B different same C same different D same same 17 The diagram below shows a simple hydraulic jack. Which changes will enable heavier loads to be lifted? diameter of W diameter of Z A doubled remains the same B doubled doubled C remains the same halved D halved doubled

8 18 The diagram below shows the same thin tube containing air trapped by a mercury thread, held in four different positions, P, Q, R and S. The diagrams are not to scale. Which correctly shows the pressure of trapped air in decreasing order? A PQRS B SPQR C RSPQ D QRSP 19 Which row shows an advantage and a disadvantage of using nuclear fuel to generate electrical power? advantage disadvantage A does not produce carbon dioxide produces radioactive waste B does not produce carbon dioxide only works in some weather conditions C energy source is renewable produces radioactive waste D energy source is renewable only works in some weather conditions 20 A ball is released from a height h above a table. At each bounce, 50% of its energy in the kinetic store is transferred into the internal store of the ball and its surrounding. Assuming air resistance is negligible, what will be the height reached after the second bounce? A √2 B 2 C 4 D 8 h h h h trapped air mercury

9 gas metal cylinder piston 21 A force of 20N pushes a block of wood of mass 2.0kg, causing it to move at a constant speed of 4.0m/s. What is the power required to push the wood? A 5.0W B 10W C 50W D 80W 22 A fixed mass of gas is trapped in a metal cylinder by a moveable piston. The gas is cooled. The following shows some properties of the gas molecules: I the force due to the collisions between the gas molecules and the test-tube walls II the number of collisions per second by the gas molecules on the test-tube walls III the average kinetic energy of the gas molecules IV the average potential energy of the gas molecules Which property of the gas molecules does not decrease? A I an