RVHS_H2_Physics_P2_QP

River Valley High School page 1 of 24 H2 Physics 9749 JC2 Preliminary Examinations 2024 RIVER VALLEY HIGH SCHOOL JC 2 PRELIMINARY EXAMINATIONS H2 PHYSICS 9749 / 02 PAPER 2 12 SEPTEMBER 2024 2 HOURS CANDIDATE NAME CENTRE NUMBER S INDEX NUMBER CLASS 2 3 J INSTRUCTIONS TO CANDIDATES DO NOT OPEN THIS BOOKLET UNTIL YOU ARE TOLD TO DO SO. FOR EXAMINERS’ USE Paper 2 1 / 4 2 / 8 3 / 10 4 / 14 5 / 10 6 / 9 7 / 10 8 / 15 Deduction TOTAL / 80 Read these notes carefully. Write your name, centre number, index number and class in the spaces at the top of this page and on all work you hand in. Candidates answer on the Question Paper. 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 staples, paper clips, glue or correction fluid. The use of an approved scientific calculator is expected where appropriate. Candidates answer on the Question Paper. No Additional Materials are required. Answer all questions. The number of marks is given in brackets [ ] at the end of each question or part question. This document consists of 23 printed pages and 1 blank page.

River Valley High School page 2 of 24 H2 Physics 9749 JC2 Preliminary Examinations 2024 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, O = 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

River Valley High School page 3 of 24 H2 Physics 9749 JC2 Preliminary Examinations 2024 Formulae uniformly accelerated motion 21 2s ut at=+ 22 2v u as=+ work done on/by a gas W p V= hydrostatic pressure p gh= gravitational potential rGm−= temperature T / K = T / C + 273.15 pressure of an ideal gas = 2 3 1 cV Nmp mean translational kinetic energy of an ideal gas molecule 3 2E kT= displacement of particle in s.h.m. txx sin0= velocity of particle in s.h.m. tvv = cos0 22 0 xx −= electric current Anvq=Ι resistors in series 12R R R= + + resistors in parallel 121/ 1/ 1/R R R= + + electric potential r QV 04= alternating current/voltage txx sin0= magnetic flux density due to a long straight wire dB   2 0I= magnetic flux density due to a flat circular coil r NB 2 0 I= magnetic flux density due to a long solenoid InB 0= radioactive deca