2023 NYGH Phy Prelims P1

南洋女子中学校 NANYANG GIRLS' HIGH SCHOOL Preliminary Examination 2023 Secondary Four 'O' Level CANDIDATE NAME CENTRE NUMBER S INDEX NUMBER PHYSICS 6091/01 Paper 1 Multiple Choice 28 Aug 2023, Monday 1 hour Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your name, Centre number and index number on the Answer sheet in the spaces provided unless this has already been done for you. There are forty 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 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 17 printed pages and 3 blank pages. [Turn over

2023 Preliminary Examination Secondary 4 2 Nanyang Girls’ High School Physics I 1 Which measurement represents the longest length? A 1.2 x 10-4 Mm B 1.2 x 103 km C 1.2 x 105 cm D 1.2 x 107 m 2 What is the reading shown by the micrometer screw gauge below? A 5.272 mm B 5.72 mm C 7.22 mm D 7.72 mm 3 A boat starts moving across a river at a velocity v perpendicular to the river bank. The boat encounters a current along the river of velocity u, as shown in the diagram. Which vector diagram shows the resultant velocity r of the boat? 5 30 25 20 15

2023 Preliminary Examination Secondary 4 3 Nanyang Girls’ High School Physics I [Turn over 4 Which displacement-time (s-t) graph shows a body moving at a constant velocity? A B C D 5 A car accelerates uniformly from rest at time t = 0 s along a level road. The car travels 12 m in the time between t = 1.0 s and t = 2.0 s. How far does it travel in the time between t = 3.0 s and t = 4.0 s? A 28 m B 35 m C 48 m D 64 m 6 In a experiment, a student jumps upward off a common bathroom scale as the laboratory partner records the scale reading. What does the laboratory partner observe during the instant the student pushes off? A The scale reading will remain unchanged during the entire time the student is in contact with the scale. B The scale reading will increase momentarily then will decrease during the entire time the student is in contact with the scale. C The scale reading will decrease then increase during the entire time the student is in contact with the scale. D The scale reading will decrease during the