Partial preview of the text
Download 1. Actual 2024 AQA GCSE COMBINED SCIENCE: TRILOGY 8464/P/1F Physics Paper 1F QP + Mark Sch and more Exams Physics in PDF only on Docsity!
Actual 2024 AQA GCSE COMBINED SCIENCE: TRILOGY 8464/P/1F Physics Paper 1F QP + Mark Scheme AQA Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature | declare this is my own work. GCSE COMBINED SCIENCE: TRILOGY Foundation Tier Physics Paper 1F Wednesday 22 May 2024 Morning Time allowed: 1 hour 15 minutes Materials Tl. For this paper you must have: fo, Darina Use ¢ aruler Question Mark ¢ ascientific calculator 1 e the Physics Equations Sheet (enclosed). - Instructions 3 e Use black ink or black ball-point pen. 4 e Pencil should only be used for drawing. = Fill in the boxes at the top of this page. e Answer all questions in the spaces provided. 6 « If you need extra space for your answer(s), use the lined pages at the end of 7 this book. Write the question number against your answer(s). ¢ Do all rough work in this book. Cross through any work you do not want to be TOTAL marked. In all calculations, show clearly how you work out your answer. Information The maximum mark for this paper is 70. The marks for questions are shown in brackets. You are expected to use a calculator where appropriate. e You are reminded of the need for good English and clear presentation in your answers. ILO P IB/M/Jun24/G4005/E8 8464/P/1F Do not write outside the Figure 1 shows a circuit diagram. The circuit contains a battery and two lamps, box X and Y. Figure 1 ‘| ©) ee x Y [o[1].[4] How does the current in lamp X compare with the current in lamp Y? [1 mark] Tick (W) one box. The current in lamp X is smaller. The current in both lamps is the same. The current in lamp X is greater. [o[1].[2] Lamp X and lamp Y are not identical. The potential difference across the battery is 4.5 V. The potential difference across lamp X is 1.5 V. Calculate the potential difference across lamp Y. [1 mark] Potential difference across lamp Y = Vv 02 IB/M/Jun24/8464/P/1F 2 Do not write outside the [o[1].[5| The current in lamp X is 1.2 A. box Calculate the charge flow through lamp X in 40 seconds. Use the equation: charge flow = current = time [2 marks] Charge flow = Cc [o[1].[6| The switch can be used to turn the lamps on and off. Immediately after the lamps are switched on, the resistance of each lamp increases. Why does the resistance of each lamp increase? [1 mark] Tick (W) one box. The current in the battery decreases. The potential difference across each lamp decreases. The power of the battery increases. The temperature of each lamp increases. 04 IB/M/Jun24/8464/P/1F 4 MUN Figure 1 is repeated below. Figure 1 *| | Lamp Y breaks. What happens to lamp X? Give a reason for your answer. Tick (v) one box. Lamp X gets brighter. Lamp X stays the same brightness. Lamp X no longer emits light. Reason [2 marks] Do not write outside the box Turn over for the next question Turn over > IB/M/Jun24/8464/P/1F 5 Do not write outside the [o[2].[2| 15 kg of seawater is heated before it is added to the pool. box specific heat capacity of seawater = 3800 J/kg °C Calculate the change in thermal energy of 15 kg of seawater when its temperature is increased by 9.0 °C. Use the equation: change in thermal energy = mass ~ specific heat capacity x temperature change [2 marks] Change in thermal energy = J [o|2].[3| The energy transferred from 1.0 m? of the surface of the pool to the air is 80 J each second. The surface area of the pool is 120 m?. Calculate the energy transferred from the whole surface of the pool to the air each second. [1 mark] Energy transferred each second = J Question 2 continues on the next page Turn over > 07 IB/M/Jun24/8464/P/1F 7 Do not write outside the [o[2].[4| Which of the following units is the same as 1 J/s? bok [1 mark] Tick (v) one box. 1N 1Pa 1W [o[2].[5| The pool is above sea level. 5.0 kg of water is pumped from sea level into the pool. The water gains 196 J of gravitational potential energy. gravitational field strength = 9.8 N/kg Calculate the height of the pool above sea level. Use the equation: Heiont= gravitational potential energy elon mass ~ gravitational field strength [2 marks] Height = m IMA IB/M/Jun24/8464/P/1F 8 [o[3][4] 10 10 Some people used to think that radioactive substances had health benefits. 100 years ago, a company made toothpaste containing the radioactive isotopes radium-228 and radium-226. Figure 3 shows the symbols for these isotopes. Figure 3 228 226 3g Ra 3g ha How are atoms of radium-228 different from atoms of radium-226? Tick (“) one box. Radium-228 atoms have one more neutron and one more proton. Radium-228 atoms have two more neutrons and two more protons. Radium-228 atoms have two more neutrons. Radium-228 atoms have two more protons. [1 mark] IB/M/Jun24/8464/P/1F Do not write outside the box 10 11 Do not write outside the [o[3].[2| Figure 4 shows how the activity of a sample of radium-228 changed over time. bok Figure 4 200 Po ivity 150 | Activity in Bq 4100 Husrssetiee Bat ieee sooo oueea 50 Sat 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Time in years What is the approximate half-life of radium-228? [1 mark] Tick (v) one box. 6 years 7 years 14 years 100 years Question 3 continues on the next page Turn over > INI IB/M/Jun24/8464/P/1F 11 13 Do not write outside the [o[3].[4| The scientist adjusted the equipment and determined the activity of the toothpaste box from each tube. Table 1 shows the results. Table 1 Tube Activity in Bq A 3150 B 2940 Cc 3180 D 3050 What was the range of activities shown in Table 1? [1 mark] From Bq to Bq [o[3].[5| What was the independent variable in the investigation? [1 mark] Tick (W) one box. The activity of the toothpaste The mass of toothpaste used The temperature of the toothpaste The tube of toothpaste used Question 3 continues on the next page Turn over > 13 IB/M/Jun24/8464/P/1F 13 14 Do not write outside the [o[3].[6| What was the dependent variable in the investigation? box [1 mark] Tick (“) one box. The activity of the toothpaste The mass of toothpaste used The temperature of the toothpaste The tube of toothpaste used When the toothpaste was new, it caused a risk to health because of the nuclear radiation emitted. What happened to the risk to health from the toothpaste after 100 years? [1 mark] [o|3].[8| Which property makes nuclear radiation hazardous? Tick (W) one box. [1 mark] Nuclear radiation is ionising. Nuclear radiation is penetrating. Nuclear radiation is too small to see. Nuclear radiation makes objects radioactive. 14 IB/M/Jun24/8464/P/1F 14 16 Do not write outside the A student investigated how the current in a diode varies with the potential difference box across the diode. Figure 6 shows an incomplete diagram of the circuit used. Figure 6 [o[4].[1] The student measured the potential difference across the diode. Complete Figure 6 by adding the symbol for a voltmeter in the correct position. [2 marks] [o[4].[2| Which component should the student adjust to change the potential difference across the diode? [1 mark] Tick (“) one box. ae (| -O- = 16 IB/M/Jun24/8464/P/1F 16 17 The student measured the current three times for each value of potential difference. [o[4].[3| Complete the sentence. Choose the answer from the box. [1 mark] random systematic zero When the potential difference was 1.50 V the current measurements varied between 0.95 A and 1.08 A. This was caused by errors. [o[4].[4 | For one value of potential difference, the measurements of current were: 0.27A 032A 0.31A Calculate the mean current. [2 marks] Mean current = A Question 4 continues on the next page Turn over > 17 IB/M/Jun24/8464/P/1F Do not write outside the box 17 19 Do not write outside the [6 | Complete the sentence. box Choose the answer from the box. [1 mark] directly proportional inversely proportional non-linear Figure 7 shows that the relationship between potential difference and current for the diode is The student adjusted the circuit so that the current in the diode was 1.00 A. The student then reversed the connections to the diode. What happened to the current in the diode when the connections were reversed? [1 mark] Tick (“) one box. The current decreased to 0.00 A. The current remained at 1.00 A. The current increased to 2.00 A. 10 Turn over for the next question Turn over > 1 IB/M/Jun24/8464/P/1F 19 20 Do not write outside the Data-storage computers get very hot. Box. Scientists investigated using the sea to cool data-storage computers. The computers were set up inside a large metal container. Figure 8 shows the metal container before it was lowered into the sea. Figure 8 Metal container [o[5].[1} Why is the container made of metal? INT [1 mark] Tick (Vv) one box. Metal has a high thermal conductivity. Metal is a good thermal insulator. Metal is a poor conductor of thermal energy. IBiMJun24is4eaP/1F = 2) 
