RI 2020 Y5 H2 Physics TP Section A QP

© Raffles Institution [Turn over RAFFLES INSTITUTION 2020 YEAR 5 TERM 3 TIMED PRACTICE 24 June 2020 2 hr 10 min H2 PHYSICS RAFFLES INSTITUTION RAFFLES INSTITUTION RAFF LES INSTITUTION RAFFLES INSTITUTION RAFFL ES INSTITUTION RAFFLES INSTITUTION RAFFLES INSTITUTION RAFFLES INSTITUTION RAFFLES INSTITUTION RAFF LES INSTITUTION RAFFLES INSTITUTION RAFFL ES INSTITUTION RAFFLES INSTITUTION RAFFLES INSTITUTION RAFFLES INSTITUTION RAFFLES INSTITUTION RAFF LES INSTITUTION RAFFLES INSTITUTION RAFFL ES INSTITUTION RAFFLES INSTITUTION RAFFLES INSTITUTION RAFFLES INSTITUTION RAFFLES INSTITUTION RAFF LES INSTITUTION RAFFLES INSTITUTION RAFFL ES INSTITUTION RAFFLES INSTITUTION RAFFLES INSTITUTION RAFFLES INSTITUTION RAFFLES INSTITUTION RAFF LES INSTITUTION RAFFLES INSTITUTION RAFFL ES INSTITUTION RAFFLES INSTITUTION RAFFLES INSTITUTION AFFLES Section A INSTRUCTIONS TO CANDIDATES There are 2 sections in this paper. Section A consists of 11 multiple-choice questions . For each question, four suggested answers are given. You are to choose the most appropriate one and shade your answer on the OMR form. Section B consists of 5 structured questions and 1 data analysis question. You are to write your answers in the spaces provided. Attempt ALL questions in Sections A and B. There are 6 printed pages in this booklet.

2 © Raffles Institution DATA AND FORMULAE Data speed of light in free space c = 3.00  108 m s1 permeability of free space 0 = 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 work done on/by a gas W = pV hydrostatic pressure p = gh gravitational potential Gm r  temperature T/K = T/C + 273.15 pressure of an ideal gas 21 3 Nm Vp c mean translational kinetic energy of an ideal gas 3 2Ek T molecule displacement of particle in s.h.m. 0 sinx xt  velocity of particle in s.h.m. 0 cosvv t  22 0x x  electric current I = Anvq resistors in series R = R1 + R2 + . . . . resistors in parallel 1/ R = 1/R1 + 1/R2 + . . . . electric potential V = Q/(40r) alternating current/voltage x = x0 sint magnetic flux density due to a long straight wire 0 2B d   I magnetic flux density due to a flat circular coil 0 2 NB r  I magnetic flux density due to a long solenoid 0Bn  I radioactive decay x = x0 exp(t) decay constant