North Vista 2024 Prelim Sec 4NA Science Physics P2

1 NORTH VISTA SECONDARY SCHOOL Preliminary Examination 2024 Secondary 4 Normal Academic __________________________________________________________________________ SCIENCE 5105/02 Paper 2 Physics 1 August 2024 Papers 1 and 2: 1 hour 15 minutes Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your index number and name on all the work you hand in. Write in dark blue or black pen. You may use an HB pencil for any diagrams or graphs. Do not use staples, paper clips, glue or correction fluid. Section A Answer all questions. Write your answers in the spaces provided. Section B Answer one question. Write your answers in the spaces provided. The use of an approved scientific calculator is expected, where appropriate. In calculations, you should show all the steps in your working, giving your answer at each stage. You are advised to spend no longer than 30 minutes on Paper 1. You may proceed to answer Paper 2 as soon as you have completed Paper 1. At the end of the examination hand in your answers to Paper 1 and Paper 2 separately. The number of marks is given in brackets [ ] at the end of each question or part question. CANDIDATE NAME CLASS INDEX NUMBER This document consists of 9 printed pages. [ Turn over 30

2 Section A Answer all the questions in the spaces provided. 1 (a) State the speed of infra-red radiation in a vacuum. speed = ………………………… m/s [1] (b) The wavelength of infra-red radiation is 920nm. Calculate the frequency of these infra-red radiation. frequency = ………………… Hz [2] (c) Name one region of the electromagnetic spectrum that contains waves with a longer wavelength than infra-red radiation. State one use of the region named. name of region …………………………………………………………………………………….. use ………………………………………………………………………………………………….. ………………………………………………………………………………………………… [2] [Total: 5] 2 A motorcycle and rider have a combined mass of 620kg. The motorcycle accelerates uniformly from rest to 28.0m/s in 3.50s. Calculate (a) the acceleration of the motorcycle and rider, average acceleration = ………………… m/s2 [2] (b) the accelerating force. accelerating force = ……………………… N [1] [Total: 3]

3 3 A train service runs between two towns X and Y. The train’s timing at different distances , each marked with a cross (x), are plotted on the distance-time graph. (a) Plot a best-fit straight line using the points shown. [1] (b) From your graph, determine the gradient. gradient = ………………… [2] [Total: 3] time/min 100 10 20 30 40 50 60 80 0 20 40 60 distance /km

4 4 The table c