NYJC 2025 JC1 Promo Past Year Package 2

9478 H2 PHYSICS JC 1 PROMO EXAM PAST YEAR PAPERS 2 MEASUREMENTS KINEMATICS DYNAMICS FORCES WORK, ENERGY POWER CIRCULAR MOTION GRAVITATIONAL FIELD OSCILLATIONS TEMPERATURE & IDEAL GASES FIRST LAW OF THERMODYNAMICS WAVE MOTION NANYANG JUNIOR COLLEGE JC1 PHYSICS TEAM SCIENCE DEPARTMENT 2025

Data Formulae uniformly accelerated motion s = ut + ½at2 v2 = u2 + 2as work done on/by a gas W = p∆V hydrostatic pressure p = ρgh gravitational potential  = /Gm r temperature T/K = T/oC + 273.15 pressure of an ideal gas p = 21 3 Nm cV mean translational kin etic energy of an ideal molecule E = 3 2 kT displaceme nt of particle in s.h.m. x = xo sin ωt velocity of particle in s.h.m. v = vo cos ωt =  22 x xo   electric curr ent I = Anvq resistors in series R = R1 + R2 + … resistors in parallel 1/ R = 1/R 1 + 1/R2 + … electric potential V = Q / 4πεor alternating current/voltage x = xo sin ωt magnetic flux density due to a long straight wire B = µoI / 2πd magnetic flux density due to a flat circular coil B = µoNI / 2r magnetic flux density due to a long solenoid B = µonI radioactive decay x = xo exp (-λt) decay constant λ = ln2 / t1/2 speed of light in free space c = 3.00  108 m s-1 permeability of free space μo = 4π  10-7 H m-1 permittivity of free space εo = 8.85  10-12 F m-1 (1 / (36π))  10-9 F m-1 elementary charge e = 1.60  10-19 C the Planck constant h = 6.63  10-34 J s 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 molar gas constant R = 8.31 J K -1 mol-1 the Avogadro constant NA = 6.02  1023 mol-1 the Boltzmann constant k = 1.38  10-23 J K-1 gravitational constant, G = 6.67  10-11 N m2 kg-2 acceleration of free fall g = 9.81 m s -2

1 NYJC 2017 9749/01/J1EOYEXAM/17 NANYANG JUNIOR COLLEGE JC 1 END-OF-YEAR EXAMNATION Higher 2 PHYSICS 9749/01 Paper 1 Multiple Choice 28 September 2017 1 hour Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid. Write your name, class and tutor’s name on the Answer Sheet in the spaces provided unless this has been done for you. There are thirty questions on this paper. Answer all questions. For each question there are four possible answers A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet. Read the instructions on the Answer Sheet very carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done in this booklet. This document consists of 14 printed pages.

3 NYJC 2017 9749/01/J1EOYEXAM/17 [Turn over 1 The resistance R of a conductor is defined as the ratio of potential difference across it to current through it. Which of the following is an acceptable unit of R? A V A B kg A2 m2 s C kg m2 s3 D kg C