PHS 2024 4Exp PP Prelim P1 (Shared)

Name:....................................... Register/Index Number: ............... Class: .............. PRESBYTERIAN HIGH SCHOOL PHYSICS 6091/1 Paper 1 Multiple Choice 27 August 2024 Tuesday 1 hour PRESBYTERIAN HIGH SCHOOL PRESBYTERIAN HIGH SCHOOL PRESBYTERIAN HIGH SCHOOL PRESBYTERIAN HIGH SCHOOL PRESBYTERIAN HIGH SCHOOL PRESBYTERIAN HIGH SCHOOL PRESBYTERIAN HIGH SCHOOL PRESBYTERIAN HIGH SCHOOL PRESBYTERIAN HIGH SCHOOL PRESBYTERIAN HIGH SCHOOL PRESBYTERIAN HIGH SCHOOL PRESBYTERIAN HIGH SCHOOL PRESBYTERIAN HIGH SCHOOL PRESBYTERIAN HIGH SCHOOL PRESBYTERIAN HIGH SCHOOL PRESBYTERIAN HIGH SCHOOL 2024 SECONDARY FOUR EXPRESS PRELIMINARY EXAMINATION INSTRUCTIONS TO CANDIDATES: DO NOT OPEN THIS QUESTION PAPER UNTIL YOU ARE TOLD TO DO SO. Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid. Write your name, class and register number on the Answer Sheet in the spaces provided. 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. 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. This document consists of 21 printed pages.

[Turn over 2 1 The magnitudes of three different electric charges are given below. What is the correct order of size, from largest to smallest? A 1 mC → 1 MC → 1 kC B 1 MC → 1 mC → 1 kC C 1 MC → 1 kC → 1 mC D 1 kC → 1 mC → 1 MC 2 A stone falls freely from the top of a cliff. Air resistance may be ignored. Which graph shows how the acceleration of the stone varies with time as it falls? A B C D acceleration acceleration acceleration acceleration time time time time

[Turn over 3 3 Two objects have the same size and shape but one is heavier than the other. They are each dropped from rest in air. Comparing the two objects, the heavier object has A higher initial acceleration and higher terminal velocity. B higher initial acceleration and same terminal velocity. C the same initial acceleration and higher terminal velocity. D the same initial acceleration and the same terminal velocity. 4 A person of weight 600 N at the bottom of a mountain climbs to the top. The gravitational field strength changes from 9.81 N/kg at the bottom to 9.79 N/kg at the top. His mass is unchanged as he climbs. What are his mass and his weight at the top of the mountain? 5 Forces of 4 N and 2 N act at a point. Which scale diagram shows the forces that have a resultant of 4 N? A B C D mass at the top of mountain /kg weight at the top of mountain /N A 61.2 599 B 61.2 600 C 61.3 599 D 61.3 600 4 N 4 N 4 N 4 N 2 N 2 N 2 N 2 N

[Turn over 4 time resultant force time time time time speed speed speed speed 6 A resultant force acts on an object and causes it to move in a straight line. The graph shows how the resultant force varies with time. Which graph is the speed-time graph for the object? A B C D

[Turn over 5 7 Water is added to a measuring cylinder containing 100 cm3 of liquid paraffin. The density of paraffin is 0.80 g/cm3 and that of the water is 1.0 g/cm3. As the water is added, the level of the paraffin rises to 150 cm 3. The paraffin and water do not mix. What is the total mass of liquid in the measuring cylinder? A 130 g B 140 g C 167 g D 175 g 8 A box is initially at rest at the top of a rough slope. The box slides down the slope. The mass of the box is 2.0 kg and gravitational field strength, g is 10 N/kg. The slope is 4.0 m long and 2.0 m high. . The frictional force acting on the box is 2.6 N. What is the speed of the box as it reaches the bottom of the slope? A 5.4 m/s B 6.3 m/s C 7.1 m/s D 9.5 m/s

[Turn over 6 9 Three solar panels have a total area of 7.2 m 2. Together, they produce 1.0 kW of power. An area of 1.0 m2 of each panel receives 0.80 kJ of energy from the Sun in 1.0 s. What is the efficiency of the solar panels? A 11% B 17% C 52% D 80% 10 The diagram shows the energy stores for a mobile (cell) phone and how the energy is transferred between stores. What describes how the chemical energy is transferred? A electrical work done B mechanical work done C electromagnetic waves D sound waves 11 Small pollen particles are suspended in water. When viewed with a microscope, the pollen particles can be seen to be moving about irregularly. What causes this movement? A The pollen particles are being bombarded by the heavier particles of the water. B The pollen particles are being bombarded by the lighter particles of the water. C The temperature of the water is higher than that of the pollen particles. D The temperature of the water is lower than that of the pollen particles. chemical energy internal energy kinetic energy heating sound

[Turn over 7 12 A manometer containing water is used to measure the pressure of a gas supply, as shown. The gravitational field strength, g is 10 N/kg. The atmospheric pressure is 76 cm Hg. The density of mercury is 13 600 kg/m3 and density of water is 1000 kg/m3. What is the pressure of the gas supply? A 100 000 Pa B 104 000 Pa C 106 000 Pa D 144 000 Pa 13 The diagram shows a U-tube manometer containing three liquids: mercury, liquid X and liquid Y. Neither liquid X nor liquid Y mixes with mercury. Which row compares the pressure exerted by liquid X and by liquid Y on the mercury, and the density of liquid X and the density of liquid Y? pressure exerted by X and by Y on the mercury densities of X and Y A pressure by X is greater than Y density of X is greater than Y B pressure by Y is greater than X density of Y is greater than X C pressure by X and of Y is the same density of X is greater than Y D pressure by X and of Y is the same density of Y is greater than X liquid Y liquid X mercury gas supply

[Turn over 8 14 The following objects all lose energy in the internal store. Which object loses its energy in the internal store by radiation only? A a concrete block with white surfaces at 100 °C, in air B a metal block with black surfaces at 40 °C, in air C a shiny metal satellite at 30 °C, in space D the heating element of a kettle at 150 °C, in water 15 Equal masses of three liquids X, Y and Z are heated from room temperature. Energy is supplied by heating at the same rate to each liquid. The graph shows how the temperature of each liquid varies with time after heating starts. What can be deduced from the graph? A X has the highest melting point. B X gains the most internal energy. C Y has the largest specific heat capacity. D Z has the smallest specific latent heat of vaporisation. 16 The water from two buckets is mixed together. One bucket contains 5 kg of water at 20 °C and the other contains 1 kg of water at 80 °C. What is the final temperature of the mixture, assuming no heat is lost to the surroundings? A 30 °C B 50 °C C 60 °C D 70 °C time temperature X Y Z

[Turn over 9 17 Which row shows an example of a transverse wave and a longitudinal wave? 18 A wave of frequency 6600 Hz travel