NYGH Prelim 2024 P1 sharing

南洋女子中学校 NANYANG GIRLS' HIGH SCHOOL Preliminary Examination 2024 Secondary Four 'O' Level CANDIDATE NAME CENTRE NUMBER S INDEX NUMBER PHYSICS 6091/01 Paper 1 Multiple Choice 26 Aug 2024, 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. Setter: This document consists of 18 printed pages and 2 blank pages. [Turn over

2 1 Which instruments are most suitable for the accurate measurement of the thickness of a 5-cent coin and the internal diameter of a test-tube? thickness of a 5-cent coin internal diameter of a test-tube A micrometer micrometer B micrometer digital calipers C digital calipers metre rule D digital calipers measuring tape 2 The graph shows how displacement varies with time for three cars X, Y and Z. Which statement about the 3 cars is true? car X car Y car Z A decreasing velocity constant velocity moving in the same direction as car X B decreasing velocity not moving moving in the opposite direction as car X C increasing velocity constant velocity moving in the opposite direction as car X D increasing velocity not moving moving in the same direction as car X displacement car X car Y car Z time 0

3 [Turn over 3 A parachutist falling with increasing speed opens her parachute. The parachutist slows down immediately after the parachute is opened. What is the direction of the acceleration of the parachutist before the parachute opens and immediately after the parachute opens? before parachute opens immediately after her parachute opens A downwards downwards B downwards upwards C upwards downwards D upwards upwards 4 The total weight of a gas-filled balloon is 2000 N. The balloon rises at an acceleration of 80 m / s2. Ignore air resistance. What is the total upward force acting on the balloon? A 2000 N B 16 000 N C 18 000 N D 162 000 N 5 A person of weight 600 N at the bottom of a mountain climbs to the top. The gravitational field strength changes from 9.81 N / kg at the bottom to 9.79 N /kg at the top. This mass is unchang