EJC 2023 J1 H2 Promo P2 QP

©EJC 2023 9749/02/J1H2PROMO/2023 [Turn over EUNOIA JUNIOR COLLEGE JC1 PROMOTIONAL EXAMINATIONS 2023 General Certificate of Education Advanced Level Higher 2 CANDIDATE NAME CIVICS GROUP 2 3 - REGISTRATION NUMBER PHYSICS Paper 2 Structured Questions 9749/02 September/October 2023 2 hours Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your name, civics group and registration number on all the work you hand in. 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, highlighters, glue or correction fluid. The use of 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. This document consists of 24 printed pages and 0 blank page. For Examiner’s Use 1 10 2 8 3 7 4 9 5 7 6 6 7 7 8 13 9 13 s.f. c.f. Total 80

2 ©EJC 2023 9749/02/J1H2PROMO/2023 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 10 m s 10 H m 10 F m 10 F m 10 C 6 63 10 J s 1 3 00 4 8 85 1 36 1 60 9 11 1 67 66 10 kg 10 kg 10 kg J K mol 6 02 10 8 31 1 38 mol 10 J K c. . / e h. u. m m . . . R. N k . . G ε µπ π − −− −− −− − − − − − −− − −− × × × × × = × = = = × × × = × = = = = = = = × 11 2 2 2 10 N m kg m 67 81 s 6 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 2023 9749/02/J1H2PROMO/2023 [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 111 4 sin 2 2 exp ln2 at u as V p gh Gm r TT . Nmpc V kT xx t vv t xx R /R /R /R QV r xx t B d NB r s ut v Wp t E Bn t Anvq RR xx ρ φ ω ω ω πε ω µ π µ µ λ λ = + ∆ = =− = °+ = = = = ±− ++ =++ = = = = = − = = + = = = = = 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 2023 9749/02/J1H2PROMO/2023 1 A car slides fro