2022 S4 EOY P1 2022 S4 EOY P1 2022 S4 EOY P1 1 / 30 (NO LONGER TESTED) 2022 S4 EOY P1 Q01 The figure on the left shows the reading of a vernier caliper when the jaws are closed. The figure on the right shows the reading of the same vernier caliper when it measures the diameter of a rod. What is the actual diameter of the rod? 5.93 cm 5.83 cm 5.89 cm 5.79 cm 2 / 30 2022 S4 EOY P1 Q02 A table tennis ball is released from rest such that it falls vertically to the ground and bounces back upwards. Which velocity-time graph best represents this motion? Assume air resistance is negligible, and take the downward direction as positive. C B D A 3 / 30 (NO LONGER TESTED) 2022 S4 EOY P1 Q03 A ticker-tape timer is used to investigate the movement of a toy car. The frequency of the timer is 50 Hz and a portion of the tape is shown below. What is the average acceleration of the toy car? 1900 cm s⁻² 2200 cm s⁻² 400 cm s⁻² 2500 cm s⁻² 4 / 30 2022 S4 EOY P1 Q04 A brick is placed on a balance X and then on a balance Y. What is measured by each balance? C A B D 5 / 30 2022 S4 EOY P1 Q05 Two boxes A and B, of masses 2.0 kg and 4.0 kg respectively, are placed on a smooth horizontal floor. The boxes are given a horizontal push of 24 N as shown. What is the normal contact force that box B exerts on box A? 8 N 24 N 12 N 16 N 6 / 30 2022 S4 EOY P1 Q06 A box is dragged along a horizontal floor by a 70 N force as shown in the diagram. The box moves with a constant speed to the right. What is the resistive force experienced by the box? 61 N 40 N 35 N 70 N 7 / 30 2022 S4 EOY P1 Q07 The diagram shows a balancing toy pivoted on a stand. If the toy is tilted slightly, it does not topple over but returns to its original position. What is the position of the centre of gravity of this toy? above the pivot exactly at the pivot inside a weight below the pivot 8 / 30 2022 S4 EOY P1 Q08 A lamp which operates with electrical power of 40 W has an efficiency of 30%. How much useful energy can this lamp produce in two minutes? 1400 J 24 J 0.10 J 6.0 J 9 / 30 2022 S4 EOY P1 Q09 Consider the mercury barometer in the diagram below. What is the pressure at point X inside the mercury? 300 mm Hg 600 mm Hg 760 mm Hg 900 mm Hg 10 / 30 2022 S4 EOY P1 Q10 The diagram shows an object O viewed using two plane mirrors M1 and M2. A person looks into the mirrors as shown. At which position is the image of O seen? B A D C 11 / 30 2022 S4 EOY P1 Q11 The diagram shows an incident ray striking a plane mirror MN. What is the angle of reflection if the angle between the incident ray and the reflected ray is 70°? 55º 35º 20º 30º 12 / 30 2022 S4 EOY P1 Q12 A beam of white light splits into several colours when it passes through a glass prism. Two of these colours are shown below. Which statement accounts for this phenomenon? Red light has a smaller critical angle than violet light in glass. Red light is slower than violet light in glass. The refractive index of glass is smaller for red light than for violet light. Red light has a smaller angle of refraction than violet light when it enters glass. 13 / 30 2022 S4 EOY P1 Q13 Which row shows parts of the electromagnetic spectrum in order of increasing wavelength? D A C B 14 / 30 2022 S4 EOY P1 Q14 A wave source of frequency 4.0 Hz produces waves. What is the speed and wavelength of these waves? D B A C 15 / 30 2022 S4 EOY P1 Q15 A sound wave from a flute has a smaller amplitude than that from a violin. The sound wave from the flute has a shorter period than that from the violin. Which instrument produces the louder sound and which instrument produces the sound of higher pitch? B D A C 16 / 30 2022 S4 EOY P1 Q16 A man stands between two cliffs as shown in the diagram and claps his hands once. Assuming that the speed of sound in air is 340 m s⁻¹, what will be the time interval between the first two echoes? 0.93 s 0.34 s 0.68 s 1.2 s 17 / 30 2022 S4 EOY P1 Q17 A battery moves a charge of 650 mC around a circuit in 0.20 minutes. What is the current in the circuit? 54 mA 3300 A 3.3 A 54 A 18 / 30 2022 S4 EOY P1 Q18 Four identical light bulbs, P, Q, R and S, are connected in a circuit as shown below. Which row shows the brightness of the light bulbs in the correct order from the dimmest to the brightest? D A B C 19 / 30 2022 S4 EOY P1 Q19 A 12 V battery is connected to resistors as shown in the diagram below. What is the current through the ammeter? 1.3 A 1.6 A 7.6 A 4.6 A 20 / 30 2022 S4 EOY P1 Q20 A light-dependent resistor and a thermistor are connected in series to a battery. The thermistor’s resistance decreases as temperature rises. Which conditions will give the largest potential difference across the thermistor? bright and cold bright and hot dark and cold dark and hot 21 / 30 2022 S4 EOY P1 Q21 Which statement is true about an electrical fuse? A fuse protects the wiring and appliance from overheating. A fuse disconnects the circuit when the temperature is high. A fuse allows a high current through the circuit without overheating. A fuse adjusts its resistance to regulate the amount of current in the circuit. 22 / 30 2022 S4 EOY P1 Q22 The power produced in a resistor is P. If the voltage across the resistor is halved, what is the power produced in the resistor? 4P P / 2 P / 4 2P 23 / 30 2022 S4 EOY P1 Q23 Which effect can only be observed if a metal bar is a magnet? The metal bar attracts a magnet. The metal bar attracts another metal bar. The metal bar repels the pointer on a compass. The metal bar repels an iron nail. 24 / 30 2022 S4 EOY P1 Q24 Two current carrying wires, P and Q are arranged as shown. What is the direction of the force on each wire? A D C B 25 / 30 2022 S4 EOY P1 Q25 A transformer connected to a 240 V mains supply is used to light a lamp. The input current to the transformer is 0.15 A and the input voltage is 240 V. The useful power output is 30 W. What is the efficiency of the transformer? 36% 30% 83% 13% 26 / 30 2022 S4 EOY P1 Q26 The gas in a closed vessel of constant volume is heated. What happens to the molecules of the gas? The average separation of the molecules increases. The rate of collision of the molecules with the vessel increases. The kinetic energy of the molecules decreases. The average force between molecules decreases. 27 / 30 (NO LONGER TESTED) 2022 S4 EOY P1 Q27 What is a necessary assumption when calibrating an unmarked liquid-in-glass thermometer using the ice point and steam point of water? The liquid has a fixed boiling point. The liquid has uniform density. The liquid has a fixed freezing point. The liquid expands uniformly. 28 / 30 2022 S4 EOY P1 Q28 Equal masses of oil and water are heated to 90 °C and then allowed to cool under identical conditions. Which statement explains why oil cools faster than water? Oil has a lower specific latent heat than water. Oil has a lower density than water. Oil has a higher boiling point than water. Oil has a lower specific heat capacity than water. 29 / 30 2022 S4 EOY P1 Q29 Which wall material and exterior colour will most likely help a house located in a hot and sunny country stay cool during the day? C B D A 30 / 30 2022 S4 EOY P1 Q30 A gas stove is used to heat some water in a metal pan. Which row describes the main mode of thermal transfer through the metal pan and throughout the water? A B C D Your score is
