2021 NYJC 2021 H3 Physics 9814 P1 (no solutions)

NYJC 2021 9814/01/JC2Prelim/21 [Turn over NANYANG JUNIOR COLLEGE JC 2 PRELIMINARY EXAMINATION Higher 3 CANDIDATE NAME CLASS TUTOR’S NAME CENTRE NUMBER S INDEX NUMBER PHYSICS 9814/01 Paper 1 22 September 2021 3 hours Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your name and class in the spaces at the top of this page. 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, highlighters, glue or correction fluid. The use of an approved scientific calculator is expected, where appropriate. Section A Answer all questions. You are advised to spend about 1 hour and 50 minutes on Section A. Section B Answer two questions only. You are advised to spend about 35 minutes on each question in Section B. 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. For Examiner’s Use Section A 1 2 3 4 5 Section B 6 7 8 Total This document consists of 28 printed pages.

2 NYJC 2021 9814/01/JC2Prelim/21 Data speed of light in free space c = 3.00  108 m s−1 permeability of free space o = 4  10−7 H m−1 permittivity of free space 0 = 8.85  10−12 F m−1 = ( )( )1/ 36   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 Formulae uniformly accelerated motion s = 21 2ut at+ v2 = u2 + 2as moment of inertia of rod through one end I = 21 3 ML moment of inertia of hollow cylinder through axis I = 22 12 1 ()2 M r r + moment of inertia of solid sphere through centre I = 22 5 MR moment of inertia of hollow sphere through centre I = 22 3 MR work done on/by gas W = pV hydrostatic pressure p = gh gravitational potential  = −Gm/r Kepler’s third law of planetary motion T2 =  234 a GM temperature T/K = T/°C + 273.15

3 NYJC 2021 9814/01/JC2Prelim/21 pressure of an ideal gas p = 21 3 Nm cV  mean translational kinetic energy of an ideal gas molecule E = 3 2 kT displacement of particle in s.h.m. x = 0 sinxt  velocity of particle in s.h.m. v = 0 cosvt  = ( ) 22 0xx− electric current I = Anvq resistors in series R = R1 + R2 + … resistors in parallel 1/R = 1/R1 + 1/R2 + … capacitors in series 1/C = 1/C1 + 1/C2 + … capacitors in parallel C = C1 + C2 + … energy in a capacitor U = 21 2CV e