Dunman Sec 2024 4NA 5105 Prelims P2

This document consists of 12 printed pages. DUNMAN SECONDARY SCHOOL CANDIDATE NAME CLASS INDEX NUMBER PRELIMINARY EXAMINATION 2024 SECONDARY 4 NORMAL (ACADEMIC) SCIENCE 5105/02 Paper 2 Physics 5 August 2024 Paper 1 and 2: 1 hour 15 minutes Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your name, class and index number 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 in the spaces provided. Section B Answer one question 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.

2 5105/02/PRELIM/4NA/2024 Section A Answer all the questions in this section. 1 The total distance a cyclist travels from the starting point is measured every second. The results for the first 5s are shown in the table. time / s distance from the starting point / m 0 0 1 6 2 10 3 20 4 24 5 30 (a) On the grid provided, plot these results, marking each point with a cross (x). [1] (b) Draw a best fit straight line through these points. [1]

3 5105/02/PRELIM/4NA/2024 (c) Use the graph to find the time when the cyclist is 15m away from the starting point. time = ……………………. s [1] (d) Calculate the cyclist’s average speed during the first 5s. average speed = ……………………. m/s [1] distance m 1 3 4 5 0 2 time / s 5 20 30 15 25 0 10

4 5105/02/PRELIM/4NA/2024 2 (a) Gamma radiation and infrared radiation are examples of electromagnetic waves. List two properties which are common to both gamma radiation and infrared radiation. 1 ………………..……………………………………………………………………………….……. …………………………..…………………………………………………………….……………… 2 ………………..……………………………………………………………………………….……. ………………………………………………………………………………….……..…..……... [2] (b) Gamma radiation has a wavelength of 1.0 × 10–11m and travels at a speed of 3.0 × 108m/s in vacuum. Calculate its frequency. frequency = ……………………. Hz [1]

5 5105/02/PRELIM/4NA/2024 (c) Gamma radiation is emitted when Barium – 137 undergoes radioactive decay. The diagram shows a setup to detect the radioactive decay of Barium –