Prelim SAJC (H1) P1 2024 QP

1 SAJC 2024 Prelim / 8867 [Turn Over] Class Index Number Name ST. ANDREW’S JUNIOR COLLEGE JC 2 2024 Preliminary Examination PHYSICS, Higher 1 8867/01 Paper 1 Multiple Choice 12th Sept 2024 1 hour Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write in HB pencil. Do not use staplers, paper clips, glue or correction fluid. Write you name, index number on the Answer Sheet in the spaces provided. There are thirty questions in this paper. Answer all the questions. For each question there are four possible answers A, B, C, D. Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet. Each correct answer will score one mark. Double entry of choices will be considered as a wrong answer. A mark will not be deducted for a wrong answer. The use of an approved scientific calculator is expected, where appropriate. This question paper consists of 18 printed pages including this page.

2 SAJC 2024 Prelim / 8867 [Turn Over] DATA: speed of light in free space c = 3.00 x 108 m s-1 elementary charge e = 1.60 x 10-19 C unified atomic mass constant u = 1.66 x 10-27 kg The Avogadro constant NA = 6.02 x 1023 mol-1 rest mass of electron me = 9.11 x 10-31 kg rest mass of proton mp = 1.67 x 10-27 kg gravitational constant G = 6.67 x 10-11 N m2 kg-2 acceleration of free fall g = 9.81 m s-2 FORMULAE: uniformly accelerated motion, s = u t + a t2 v2 = u2 + 2 a s resistors in series, R = R1 + R2 + ... resistors in parallel, =

3 SAJC 2024 Prelim / 8867 [Turn Over] 1 What is a reasonable estimate of the cross-sectional area of the wire in a paper clip? A 1 x 10-3 m2 B 8 x 10-5 m2 C 8 x 10-7 m2 D 1 x 10-9 m2 2 Which quantity is not an SI base quantity? A charge B mass C temperature D time 3 An aeroplane is moving at a constant speed in a straight line at an angle θ to the horizontal. Four forces act on the aeroplane: thrust force T, weight W, lift force L and resistive force R. Which two equations must be correct? A L = W cos θ and T = R – W sin θ B L = W sin θ and T = R + W cos θ C L = W cos θ and T = R + W sin θ D L = W sin θ and T = R – W cos θ

4 SAJC 2024 Prelim / 8867 [Turn Over] 4 A copper pipe has a true diameter of 42.03 mm. A builder measures the diameter of the pipe five times using digital calipers. The measurements are shown. What describes the builder’s measurements? A accurate and precise B accurate but not precise C not accurate and not precise D not accurate but precise 5 The time taken for an object to fall from rest through a certain distance on Mars is TM. The time taken for the same ob