NYJC 2026 Timed Practice (Answers)

1 NANYANG JUNIOR COLLEGE JC2 Timed Practice 2026 General Certificate of Education Advanced Level Higher 3 CANDIDATE NAME CIVICS GROUP - REGISTRATION NUMBER PHYSICS Paper 1 9814/01 09 July 2026 1 hour 30 min Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your name, civics group and registration number on all the work you hand in. Write in dark blue or black pen on both sides of the paper. You may use an HB pencil for any diagrams or graphs. Do not use paper clips, highlighters, glue or correction fluid. The use of an approved scientific calculator is expected where appropriate. Answer all questions. This document consists of 14 printed pages For Examiner’s Use 1 10 2 12 3 10 4 20 Total 52

2 Data Formulae uniformly accelerated motion s = ut + ½at2 work done on/by a gas W = p V v2 = u2 + 2as Pressure p = F A moment of inertia of rod through one end I = ML21 3 gravitational potential  = Gm r− moment of inertia of hollow cylinder through axis I = M r r22 12 1 ()2 + temperature T/K = T / oC + 273.15 moment of inertia of solid sphere through centre I = MR22 5 pressure of an ideal gas p = 21 3 Nm cV moment of inertia of hollow sphere through centre I = MR22 3 mean translational kinetic energy of an ideal gas particle E = 3 2 kT 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 ( . −= 91 0 1 8 99 10 m F4 ) 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

3 displacement of particle in s.h.m. x = xo sin ωt alternating current/voltage, x = xo sin ωt velocity of particle in s.h.m. v = vo cos ωt magnetic flux density due to a long straight wire B = 2 o d   I = ( )22 xxo − magnetic flux density due to a flat circular coil B = 2 oN r  I electric current, I = Anvq magnetic flux density due to a long solenoid B = on I resistors in series, R = R1 + R2 + … energy in an inductor U = L 21 2 I resistors in parallel, R 1 = RR12 11 ...++ RL series circuits 𝜏 = L R capacitors in series C 1 = CC12 11 ...++ RLC series circuits (underdamped) ω = R LC L − 2 2 1 4 capacitors in parallel C = C1 + C2 + … energy states for quantum particle in a box nE = h nmL 2 2 28 energy in a capacitor U = QV1 2 radioactive decay x0 = txe0 − = Q C 21 2 radioactive decay constant  =