AJC_H2_PHY_P2

1 9749/02/AJC2017/Prelim [Turn Over Name: _____________________________ ( ) PDG: ______/ 16 2017 JC2 Preliminary Examination PHYSICS Higher 2 9749/02 Paper 2 Structured Questions Tuesday 12 September 2017 2 hours Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your name, class index number and PDG 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 or graphs. Do not use paper clips, glue or correction fluid. The use an approved scientific calculator is expected, where appropriate. Answer all questions. 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. ANDERSON JUNIOR COLLEGE This document consists of 22 printed pages For Examiner’s Use 1 2 3 4 5 6 7 Significant Figure Total (80 marks)

2 9749/02/AJC2017/Prelim Data speed of light in free space c  3.00 x 108 m s-1 permeability of free space 0  4 x 10-7 H m-1 permittivity of free space 0  8.85 x 10-12 F m-1 (1/(36 )) x 10-9 F m-1 elementary charge e  1.60 x 10-19 C the Planck constant h  6.63 x 10-34 J s unified atomic mass constant u  1.66 x 10-27 kg rest mass of electron me 9.11 x 10-31 kg rest mass of proton mp  1.67 x 10-27 kg molar gas constant R  8.31 J K-1 mol-1 the Avogadro constant N A  6.02 x 1023 mol-1 the Boltzmann constant k  1.38 x 10-23 J K-1 gravitational constant G  6.67 x 10-11 N m2 kg-2 acceleration of free fall g  9.81 m s-2

3 9749/02/AJC2017/Prelim [Turn Over Formulae uniformly accelerated motion s 2 2 1 atut  2v asu 22  work done on/by a gas W Vp hydrostatic pressure p gh gravitational potential  r Gm temperature T/K  T/C + 273.15 pressure of an ideal gas p   2 3 1 cV Nm mean translational kinetic energy of an ideal gas molecule E kT2 3 displacement of particle in s.h.m. x  x0 sin  t velocity of particle in s.h.m. v  v0 cos  t  22 xxo  electric current I  Anvq resistors in series R  R1 + R2 + … resistors in parallel 1/R  1/R1 + 1/R2 + … electric potential V  r Q o4 alternating current/voltage x  x0 sin  t magnetic flux density due to long straight wire B  d o   2 I magnetic flux density due to a flat circular coil B  r No 2 I magnetic flux density due to a long solenoid B  Ino radioactive