2024 ASRJC JC2 H1 Physics Prelim P2

1 8867/02/ASRJC/2024PRELIM [Turn Over Name: _____________________________ ( ) Class: 24 / ______ 2024 JC2 Preliminary Examination PHYSICS Higher 1 8867/02 Paper 2 Structured Questions Thursday 12 September 2024 2 hours Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your name, class index number and class in the spaces provided above. Write in dark blue or black pen on both sides of the paper. You may use an HB pencil for any diagrams, graphs or rough working. Do not use staples, paper clips, glue or correction fluid. The use of an approved scientific calculator is expected, where appropriate. Section A Answer all questions. Section B Answer any one question. At the end of the examination, fasten all your work securely together. The number of marks is given in brackets [ ] at the end of each question or part question. This document consists of 26 printed pages and 2 blank pages. For Examiner’s Use Paper 1 (30 marks) Paper 2 (80 marks) 1 2 3 4 5 6 7 8 Deductions Total ANDERSON SERANGOON JUNIOR COLLEGE

2 8867/02/ASRJC/2024PRELIM Data speed of light in free space, c = 3.00  108 m s−1 elementary charge, e = 1.60  10−19 C unified atomic mass constant, u = 1.66  10−27 kg rest mass of electron, me = 9.11  10−31 kg rest mass of proton, mp = 1.67  10−27 kg the Avogadro constant NA = 6.02  1023 mol−1 gravitational constant G = 6.67  10−11 N m2 kg−2 acceleration of free fall, g = 9.81 m s−2 Formulae uniformly accelerated motion, s = ut + 1 2 at2 v2 = u2 + 2as resistors in series, R = R1 + R2 + … resistors in parallel, 1/R = 1/R1 + 1/R2 + …

3 8867/02/ASRJC/2024PRELIM [Turn Over Section A Answer all the questions in this section. 1 (a) Length, mass and amount of substance are all SI base quantities. (i) State two other SI base quantities. 1. …………………………………………………………………………………………... 2. …………………………………………………………………………………………... [2] (ii) State one derived quantity. …………………………………………………………………………………… … …… [1] (b) The acceleration of free fall g may be determined from an oscillating pendulum using the equation 2 2 4g T  l where l is the length of the pendulum and T is the period of oscillation. In an experiment, the measured values for an oscillating pendulum are l = 1.50 m ± 2% and T = 2.48 s ± 3%. (i) Determine the percentage uncertainty in g. percentage uncert