Glg 101 Questions And Answers

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2002 H I G H E R S C H O O L C E R T I F I C AT E E X A M I N AT I O N Senior Science Total marks – 100 Section I General Instructions • Reading time – 5 minutes • Working time – 3 hours • Write using black or blue pen • Draw diagrams using pencil • Board-approved calculators may be used • Write your Centre Number and Student Number at the top of pages 13, 17, 21 and 23 Pages 2–25 75 marks This section has two parts, Part A and Part B Part A – 15 marks • Attempt Questions 1–15 • Allow about 30 minutes for this part Part B – 60 marks • Attempt Questions 16–27 • Allow about 1 hour and 45 minutes for this part Section II Pages 27–36 25 marks • Attempt ONE question from Questions 28–32 • Allow about 45 minutes for this section 233 Section I 75 marks Part A – 15 marks…show more content…
(A) Microwaves travel faster. (B) (C) Microwaves require more energy to be generated. Signal booster or repeater stations are not required. (D) Smaller antennae can be used for signal reception. 14 The table gives some information about four satellites orbiting Earth. Satellite W X Y Z Mass (kg) 2.2 × 103 2.1 × 103 1.1 × 103 7.4 × 1022 Altitude (km) 833 35 786 450 384 467 Period of revolution 1 hour 41 minutes 23 hours 56 minutes 1 hour 30 minutes 655 hours 44 minutes Which of the following is a geostationary satellite? (A) W (B) (C) X Y (D) Z –8– 15 Which of the following diagrams illustrates the principle that allows optical fibres to carry information around curves? (A) Ray of light (B) Ray of light Light transmitted (C) Ray of light Light reflected (D) Light transmitted Ray of light Light transmitted Light reflected Light transmitted –9– BLANK PAGE – 10 – BLANK PAGE – 11 – BLANK PAGE – 12 – © Board of Studies NSW 2002 2002 HIGHER SCHOOL CERTIFIC ATE EXAMINATION Senior Science Section I

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