2024 SCGS Prelim_P1

SINGAPORE CHINESE GIRLS’ SCHOOL PRELIMINARY EXAMINATION 2024 SECONDARY FOUR CANDIDATE NAME CLASS 4 REGISTER NUMBER CENTRE NUMBER INDEX NUMBER PHYSICS 6091/1 (Revised) Tuesday 27 August 2024 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, class and index number on the Question Paper and Answer Sheet in the spaces provided. There are forty questions in this paper. Answer all questions. For each question, there are four possible answers, A, B, C, 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. Take g = 10 ms-2 or 10 Nkg-1 unless specified otherwise. This question paper consists of 21 printed pages and a blank page.

2 1 A lump of modelling clay is moved from a small measuring cylinder to a large measuring cylinder that has twice the diameter. The reading on the small measuring cylinder goes down by 20 cm3 . By how much does the reading on the large cylinder go up? A 10 cm3 B 20 cm3 C 40 cm3 D 80 cm3 2 An object is moved from point X to point Y. The acceleration of free fall at X is different from that at Y. Which statement about the object at Y is correct? A Both its mass and its weight are different from those at X. B Both its mass and its weight are the same as those at X. C Its mass is the same as at X but its weight is different. D Its weight is the same as at X but its mass is different.

3 3 An object hangs by means of two cords around two rods, as shown. The object is held in equilibrium by the forces F1 and F2. The object weighs 10 N. There is negligible friction between the rods and cords. Angle θ is 90°. Which row of the table gives an angle θ of 90°? 4 Two objects travel from P to R along two routes as shown. One moves along route A while the other along route B. Both reach R at the same time. Which statement about the two objects is correct for the journey from P to R? A They have the same average speed. B They have the same average velocity. C They have different displacement. D They travel the same distance. Route A Route B

4 5 A