2022 CHIJ Phy Prelims P1

CONVENT OF THE HOLY INFANT JESUS SECONDARY Preliminary Examination in preparation for the General Certificate of Education Ordinary Level 2022 CANDIDATE NAME CLASS REGISTER NUMBER PHYSICS Paper 1 Multiple Choice Additional Materials: Multiple Choice Answer Sheet (OMR) 6091/01 15 September 2022 1 hour READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your name, class and index number 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 booklet. The use of an approved scientific calculator is expected, where appropriate This document consists of 18 printed pages. [Turn over

2 CHIJSec/2022/OLevelPrelim/6091/01 1 Which list of SI units contains only base units? A candela, second, kelvin, watt B candela, joule, metre, second C ampere, kelvin, second, pascal D ampere, metre, second, kelvin 2 The diagram shows the scale of the vernier callipers that is used to measure the diameter of a coin. What is the radius of the coin? A 1.63 cm B 1.93 cm C 3.26 cm D 3.86 cm 3 The diameter of a piece of wire is measured using a micrometer screw gauge. The diagram shows the enlarged view of the micrometer screw gauge reading. What is the diameter of the wire? A 1.27 mm B 1.77 mm C 2.27 mm D 2.77 mm 4 The diagram shows the velocity-time graph of a cyclist’s journey. What is the average speed for the cyclist’s entire journey? A 2.86 m/s B 3.14 m/s C 3.43 m/s D 3.67 m/s 0 35 30 25 10 3 4 0 10 5 4 -4

3 [Turn over CHIJSec/2022/OLevelPrelim/6091/01 5 A bottle full of water has a mass of 200 g. When the same bottle is filled with liquid X, the mass becomes 180 g. If the mass of the empty bottle is 100 g, what is the density of liquid X? Take density of water as 1.0 g/cm3. A 0.2 g/cm3 B 0.8 g/cm3 C 0.9 g/cm3 D 1.2 g/cm3 6 The diagram shows a laboratory experiment setup in which a feather falls from rest in a long evacuated vertical tube of length L . The feather took a time of t to fall from the top to the bottom of the tube. How far will the feather have fallen from the top of the tube in 0.5t ? A 0.13L B 0.25L C 0.50L D 0.75L feather vacuum L

4 CHIJSec/2022/OLevelPrelim/6091/01 7 An L-shaped rigid lever arm is pivoted at point P . Three forces act on the lever arm, as shown in the diagram. What is the magnitude of the resultant moment of these forces about point P? A 20 Nm B 30 Nm C 40 Nm D 50 Nm 8 A student uses a retort stand and a clamp to hold a flask of liquid. Which diagram shows the most stable arrangement? A B C D 2 m 3 m 1 m 2 m 10 N m 15 N m 20 N m P

5 [Turn over CHIJSec/2022/OLevelPrelim/6091/01 9 The diagram shows two identical vessels X and Y connected by a short thin pipe with a tap. At the beginning, X is filled with water of mass m to a depth h, and Y is empty. When the tap is opened, water flows from X to Y until the depths of water in both vessels are equal. How much gravitational potential energy is lost by the water during this process? (acceleration due to gravity, g = 10 m/s2) A 0 J B ¼ (mgh) J C ½ (mgh) J D mgh J 10 The diagram shows a barometer containing some air in the space above the mercury column. The height of mercury column is 70.0 cm. X is a point 15.0 cm below the surface of the mercury in the tube. The atmospheric pressure is 76.0 cmHg. What is the pressure at point X in the mercury? A 85.0 cmHg B 55.0 cmHg C 21.0 cmHg D 15.0 cmHg 70.0 cm air 15.0 cm X mercury

6 CHIJSec/2022/OLevelPrelim/6091/01 40.0 cm 20.0 cm 11 The diagram below shows a mercury-in-glass thermometer. The distance between -10 C and 110 C is 40.0 cm. What is the temperature when the mercury thread is 20.0 cm long? A 45 °C B 50 °C C 55 °C D 60 °C 12 Heat capacity is the energy required to raise the temperature of the object by 1 °C. What does this energy do? A It increases the internal potential energy of the solid molecules. B It increases the vibration among the solid molecules. C It increases the average size of the solid molecules. D It increases the forces of attraction between the solid molecules. 13 0.10 kg of ice at its melting point is dropped into 0.80 kg of water at 15 °C. The specific heat capacity of water is 4200 J/kg°C and the specific latent heat of fusion of ice is 336 000 J/kg. What is the final temperature of the mixture? A 12.4 °C B 8.8 °C C 4.4 °C D 2.4 °C

7 [Turn over CHIJSec/2022/OLevelPrelim/6091/01 14 The diagram represents two blocks, P and Q. Each of them received the same amount of energy, W. The mass of P is twice the mass of Q. The temperature rise of Q is 2 times the temperature rise of P. Which statement about P and Q is correct? A The heat capacity of P is half the heat capacity of Q. B The heat capacity of P is twice the heat capacity of Q. C The specific heat capacity of P is half the specific heat capacity of Q. D The specific heat capacity of Q is half the specific heat capacity of P . 15 A student uses a double-walled glass vessel to contain a hot liquid. Which reduces the heat loss by radiation? A a vacuum in the space between the walls B painting surface Q black C painting surface R black D painting surface S white air outside space Q R S glass walls hot liquid

8 CHIJSec/2022/OLevelPrelim/6091/01 16 On a hot day, the drink in a bottle can be kept cool by standing the bottle in a bowl of water and placing a wet cloth over it. Why is the drink kept cool? A Cold air cannot escape from the bottle. B The cloth conducts the heat from the bottle to the water. C The drink cannot evaporate from the bottle. D Water evaporates from the cloth and cools the drink. 17 Equal masses of two solids X and Y are heated successively in a well -lagged calorimeter. Thermal energy is supplied to both of them at the same rate. The temperature-time graph for the process is shown. Which statement about the temperature-time graph is incorrect? A Solid X has a lower specific latent heat of fusion than solid Y. B Liquid X has a higher specific heat capacity than liquid Y. C Solid X has a higher specific heat capacity than solid Y. D Melting point of solid X is lower than melting point of solid Y . 18 The melting point and the boiling point of a pure material X is - 20 °C and 120 °C respectively. Which physical quantity does not change as the material is heated from 0 °C to 110 °C? A density of liquid X B kinetic energy of particles in X C internal energy of material X D specific heat capacity of material X temperature /  C time / s X Y

9 [Turn over CHIJSec/2022/OLevelPrelim/6091/01 19 The diagram shows a light ray passing from air into a glass block of refractive index 1.5. What is the angle of refraction in the glass and critical angle of the glass? 20 The diagram shows a ray of light travelling from me