DHS_H1_PHY_P1

© DHS 2016 8866/Prelim/01/16 [Turn over DUNMAN HIGH SCHOOL Preliminary Examinations Year 6 Higher 1 PHYSICS Paper 1 Multiple Choice 8866/01 September 2016 1 hour Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid. Write your name, class and index number on the Answer Sheet in the spaces provided unless this has been done for you. DO NOT WRITE IN ANY BARCODES. 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 ducted 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 15 printed pages and 1 blank page. CANDIDATE NAME CLASS INDEX NUMBER

2 © DHS 2016 8866/Prelim/01/16 Data speed of light in free space, c = 3.00 × 108 m s-1 elementary charge, e = 1.60 × 10-19 C the Planck constant, h = 6.63 × 10-34 J s 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 acceleration of free fall, g = 9.81 m s-2

3 © DHS 2016 8866/Prelim/01/16 [Turn over Formulae uniformly accelerated motion, s = ut + 1 2 at 2 v 2 = u 2 + 2as work done on/by a gas, 0B0B0B0B0B0B0B0B0B0B0B0B0BW = p V hydrostatic pressure, 1B1B1B1B1B1B1B1B1B1B1B1B1Bp = 𝜌gh resistors in series, R = R 1 + R 2 + … resistors in parallel, 1/R = 1/R 1 + 1/R 2 + ...

4 © DHS 2016 8866/Prelim/01/16 1 In thermal physics, the rate of flow of thermal energy, dt d can be found using the equation   L TTkAdt d 12  . k is defined as the thermal conductivity of material, A is the total cross sectional area of conducting surface of material and T2 and T1 are the temperatures across the conducting surface of thickness L. Deduce the SI base unit for thermal conductivity. A kg m s3 K1 B kg m2 K1 C W m1 K1 D J m2 K1 2 The diagram shows two vectors X and Y. In which vector triangle does the vector Z show the magnitude and direction of vector X – Y? 3 The period of oscillation of a simple pendulum is given by g lT 2 . Given that the length of the pendulum, l is (20.0  0.1) cm, Mark measured the period, T to be (0.89  0.02) s. What is the best way Mark should express the calculated value of acceleration due to gravity, g in m s2? A 9.97  0.50 B 9.9  0.5 C 10.0  0.5 D 10  1

5 © DHS 2016 8866/Prelim/01/16 [Turn over 4 A ball is projected at an angle of 30  above the horizontal and travel