NYGH-2012-S3-EOY-P1

Class Register Number Name 南洋女子中学校 NANYANG GIRLS’ HIGH SCHOOL End-of-Year Examination 2012 Secondary Three Physics 45 minutes Paper 1 Multiple Choice 8:45 – 9:30 Monday 15 Oct 2012 Additional materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Do not open this booklet until you are told to do so. Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid. Write your name, class and register number on the Multiple Choice Answer Sheet provided. There are thirty questions in 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 answer sheet. INFORMATION FOR CANDIDATES 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. Take the acceleration due to gravity, g, to be 10 m s-2 or 10 N kg-1 Setter: BN, CMH & TW This document consists of 12 printed pages. NANYANG GIRLS’ HIGH SCHOOL [Turn over

2012 End-of-Year Examination Secondary Three 2 Nanyang Girls’ High School Setter: BN, CMH &TW Physics I 1 Which of the following shows a base physical quantity with its correct SI unit? Base Physical Quantity SI unit A electric current volt B mass gramme C temperature degree celsius D amount of substance mole 2 The unit newton (N) is equivalent to A kg m s-1. B kg m s-2. C kg m-1 s-1. D kg m-1 s-2. 3 Acceleration can be calculated using A change in velocity ÷ time taken. B distance ÷ time. C force x mass. D average speed x time. 4 A ticker-timer tape is attached to a trolley that is accelerating down an inclined runway at 0.50 m s-2. The diagram shows part of the tape and the distance between successive dots. What is the vibrating frequency of the ticker-timer? A 5 Hz B 10 Hz C 50 Hz D 100 Hz 5 The table below shows the variation with time t of the distance s travelled by an object along a straight level surface. t / s 0 1.0 2.0 3.0 4.0 5.0 s / m 0 2.0 6.0 12.0 20.0 30.0 Which of the following statements about the motion of the object is correct? A The velocity of the object is increasing with decreasing acceleration. B The velocity of the object is increasing with constant acceleration of 1.0 m s-2. C The velocity of the object is increasing with constant acceleration of 2.0 m s-2. D The velocity of the object is increasing with increasing acceleration. 5 mm 10 mm 15 mm

2012 End-of-Year Examination Secondary Three 3 Nanyang Girls’ High School Setter: BN, CMH &TW Physics I [Turn over 6 A body is dropped from rest at height X and falls freely past height Y. 2.0 s after passing height Y, it passes height Z. If the difference in height between Y and Z is 150 m, find the time for the body to fall from X