2024 DHS Prelim H1 Phy P1

1 © DHS 2024 8867/01 [Turn over Name: Centre/Index Number: Class: DUNMAN HIGH SCHOOL Preliminary Examination Year 6 H1 PHYSICS Paper 1 Multiple Choice Additional Materials: Multiple Choice Answer Sheet 8867/01 23 September 2024 1 hour READ THESE INSTRUCTIONS FIRST Write your centre number, index number, name and class at the top of this page. Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. 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.

2 © DHS 2024 8867/01 [Turn over Data speed of light in free space, c = 3.00 × 108 m s1 elementary charge, e = 1.60 × 1019 C 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 the Avogadro constant, NA = 6.02 × 1023 mol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, s = ut + 1 2 at2 v2 = u2 + 2as resistors in series, R = R1 + R2 + . . . resistors in parallel, 1/R = 1/R1 + 1/R2 + . . .

3 1 Which expression could be correct for the velocity v of the ocean waves in terms of the density of sea water ρ, the acceleration of free fall g, the depth of the ocean h, and the wavelength ߣ? A ඨ g ρ B ටg h C ඥρgh D ඥgλ 2 Two forces of magnitudes 4 N and 6 N are applied to a point Which of the following could not be the magnitude of their resultant? A 1 N B 4 N C 6 N D 10 N 3 A steel rule, reading to ± 1 mm, gives the following results when used to measure the length of a bar. 892 mm, 891 mm, 892 mm, 891 mm, 891 mm, 892 mm If the true length of the bar is 895 mm, which row in the table is correct? results are accurate to within 1 mm results are precise to within 1 mm A no yes B no no C yes yes D yes no 4 A motorcycle stunt -rider rides off a ramp inclined at 30 .0° to the horizontal at a speed of 22.0 m s-1. He reaches a maximum height of 13.0 m from the ground before he lands on the ground. What is his velocity just before he lands on the ground? A 19.1 m s-1 B 24.9 m s-1 C 26.1 m s-1 D 27.2 m s-1

4 © DHS 2024 8867/01 [Turn over 5 A car starts from rest and travels along a straight road. The graph b