⸻ PHYSICS – ORDINARY LEVEL MULTIPLE CHOICE QUESTIONS (10 ITEMS) Which of the following is a scalar quantity?…

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⸻ PHYSICS – ORDINARY LEVEL MULTIPLE CHOICE QUESTIONS (10 ITEMS) Which of the following is a scalar quantity? A. Force B. Displacement C. Velocity D. Mass The instrument used to measure electric current is: A. Voltmeter B. Ammeter C. Ohmmeter D. Barometer The SI unit of force is: A. Watt B. Newton C. Joule D. Pascal Which of the following is an example of uniform motion? A. A car moving with constant speed B. A ball falling from a height C. A fan slowing down D. A stone thrown upward Heat travels through a vacuum by: A. Conduction B. Convection C. Radiation D. Filtration The slope of a distance–time graph gives: A. Speed B. Acceleration C. Force D. Momentum A material that does not allow electric current to pass easily is called: A. Conductor B. Semiconductor C. Insulator D. Electrolyte The energy stored in a stretched spring is: A. Kinetic energy B. Potential energy C. Thermal energy D. Chemical energy The minimum distance needed to hear an echo is about: A. 1 m B. 10 m C. 17 m D. 50 m A device that changes alternating current (AC) to direct current (DC) is called: A. Transformer B. Generator C. Rectifier D. Moto

ScanSolve AI Tutor · Accepted Answer

1. A scalar quantity is a physical quantity that has only magnitude and no direction. Force, displacement, and velocity are all vector quantities because they have both magnitude and direction. Mass has only magnitude (e.g., 5 kg) and no associated direction. Therefore, the correct option is D. D. Mass

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