2021 HCI_H3_Physics_Prelim_2021_Question_Paper

This document consists of 30 printed pages. HWA CHONG INSTITUTION JC2 Preliminary Examination Higher 3 CANDIDATE NAME CENTRE NUMBER INDEX NUMBER PHYSICS Paper 1 Candidates answer on the Question Paper. No Additional Materials are required. 9814/01 21 September 2021 3 hours READ THESE INSTRUCTIONS FIRST Write your Centre number, index number and name 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, 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. The number of marks is given in brackets [ ] at the end of each question or part question. For Examiner’s Use Section A 1 7 2 7 3 12 4 9 5 9 6 16 Section B 7 20 8 20 9 20 Deductions Total 100

2 © Hwa Chong Institution 9814 H3 Physics / Prelim 2021 Data speed of light in free space c  813.00 10 m s  permeability of free space 0  714 10 H m  permittivity of free space 0     12 1 91 8.85 10 F m 1/ 36 10 F m     elementary charge e  191.60 10 C the Planck constant h  346.63 10 J s unified atomic mass constant u  271.66 10 kg rest mass of electron em  319.11 10 kg rest mass of proton pm  271.67 10 kg molar gas constant R  118.31 J K mol the Avogadro constant AN  23 16.02 10 mol  the Boltzmann constant k  23 11.38 10 J K gravitational constant G  11 2 26.67 10 N m kg acceleration of free fall g  29.81 m s Formulae uniformly accelerated motion s  21 2ut at 2v  2 2u as 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 a gas W  pV hydrostatic pressure p  gh gravitational potential   /Gm r Kepler’s third law of planetary motion 2T  234 a GM  temperature /KT  / C 273.15T 

3 © Hwa Chong Institution 9814 H3 Physics / Prelim 2021 pressure of an ideal gas p 