Content text Feb-March_2025_9702_12_Solved - Crack A Level.pdf
This document has 16 pages. IB24 03_9702_12/RP [Turn over *2360853497* Cambridge International AS & A Level PHYSICS 9702/12 1 hour 15 minutes You must answer on the multiple choice answer sheet. You will need: Multiple choice answer sheet Soft clean eraser Soft pencil (type B or HB is recommended) INSTRUCTIONS There are forty 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 multiple choice answer sheet. Follow the instructions on the multiple choice answer sheet. Write in soft pencil. Write your name, centre number and candidate number on the multiple choice answer sheet in the spaces provided unless this has been done for you. Do not use correction fluid. Do not write on any bar codes. You may use a calculator. INFORMATION The total mark for this paper is 40. Each correct answer will score one mark. Any rough working should be done on this question paper. Paper 1 Multiple Choice February/March 2025 © UCLES 2025 SOLVED
2 Data acceleration of free fall g = 9.81 m s–2 speed of light in free space c = 3.00 108 m s–1 elementary charge e = 1.60 10–19C unified atomic mass unit 1 u = 1.66 10–27 kg rest mass of proton mp = 1.67 10–27 kg rest mass of electron me = 9.11 10–31 kg Avogadro constant NA = 6.02 1023mol–1 molar gas constant R = 8.31 JK–1 mol–1 Boltzmann constant k = 1.38 10–23 JK–1 gravitational constant G = 6.67 10–11N m2 kg–2 permittivity of free space 0 = 8.85 10–12F m–1 ( 0 4 1 = 8.99 109 m F–1) Planck constant h = 6.63 10–34 J s Stefan–Boltzmann constant = 5.67 10–8Wm–2K–4 Formulae uniformly accelerated motion s = ut + 2 2 1 at v 2 = u2 + 2as hydrostatic pressure p = gh upthrust F = gV Doppler effect for sound waves of = s s vv vf electric current I = Anvq resistors in series R = R1 + R2 + ... resistors in parallel R 1 = 1 1 R + 2 1 R + ... © UCLES 2025 9702/12/F/M/25