EJC 2022 Prelim P1

©EJC 2022 9749/01/J2H2Prelim/2022 [Turn over EUNOIA JUNIOR COLLEGE JC2 PRELIMINARY EXAMINATIONS 2022 General Certificate of Education Advanced Level Higher 2 PHYSICS Paper 1 Multiple Choice 9749/01 August/September 2022 1 hour Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use paper clips, glue or correction fluid. Write your name, civics group and registration number on the Answer Sheet in the spaces provided. There are thirty questions on this paper. Answer all questions. For each question there are four possible answers A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet. Read the instructions on the Answer Sheet very carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done in this booklet. The use of an approved scientific calculator is expected, where appropriate. This document consists of 16 printed pages and no blank pages.

2 ©EJC 2022 9749/01/J2H2Prelim/2022 Data speed of light in free space, ( )( ) 81 71 0 12 1 0 91 19 34 27 31 e 27 p 11 23 1 A 23 1 7 10 m s 10 H m 10 F m 10 F m 10 C 6 63 10 J s 1 66 10 kg 10 kg 10 kg J K mol 60 1 2 10 3 00 4 8 85 1 36 60 9 11 0 16 8 31 13 o 8 ml 1 J K c. . / e. . . R. N k. G h. u. m m .    − −− −− −− − − − − − −− − −−      = =   = = = = =  = = = = =  11 2 2 2 10 N m 8 kg m s 6 67 1 9 . g. −− − =  = permeability of free space, permittivity of free space, elementary charge, the Planck constant, unified atomic mass constant, rest mass of electron, rest mass of proton, molar gas constant, the Avogadro constant, the Boltzmann constant, gravitational constant, acceleration of free fall,

3 ©EJC 2022 9749/01/J2H2Prelim/2022 [Turn over Formulae uniformly accelerated motion, ( ) ( ) 2 22 2 0 0 22 0 12 12 0 0 0 0 0 0 1 2 1 2 2 / K / C 273 15 1 3 3 2 sin cos 1 1 1 4 sin 2 2 exp ln2 at u as V p gh Gm r T T . Nmpc V kT x x t v v t xx R / R / R / R QV r x x t B d NB r s ut v Wp t E Bn t Anvq RR xx              =+  = =− =  + = = = = − ++ = + + = = = = = − = =+ = = = = = I I I I work done on/by a gas, hydrostatic pressure, gravitational potential, temperature, pressure of an ideal gas, mean translational kinetic energy of an ideal gas molecule displacement of particle in s.h.m. velocity of particle in s.h.m. electric current, resistors in series, resistors in parallel, electric potential, alternating current/voltage, magnetic flux density due to a long straight wire magnetic flux density due to a flat circular coil magnetic flux density due to a long solenoid radioactive decay, decay constant

4 ©EJC 2022 9749/01/J2H2Prelim/2022 1 The radius of a helium -4 atom is of the order 10 -10 m and its nucleus has a radius that is of the order of 10−15 m