PHYSICAL QUANTITIES AND MEASUREMENT MCQs 1. What is the smallest measurement that can be obtained with a meter rule? 1 inch 1 millimeter 1 meter 1 centimeter 2. What is the study of matter and energy and their interaction called? Geology Physical science Biology Chemistry 3. What is a physical quantity? A derived physical quantity A unit of measurement A property of a substance that can be quantified by measurement A mathematical relation between various physical properties 4. What are the seven fundamental physical quantities? Length, mass, time, electric current, temperature, amount of substance, light intensity Length, mass, time, electric current, temperature, amount of substance, luminous intensity Length, weight, time, electric charge, temperature, volume, light intensity Length, weight, time, electric charge, temperature, amount of matter, light intensity 5. What are derived physical quantities? Physical quantities that can’t be explained by other physical quantities Physical quantities that are calculated mathematically Physical quantities that are measured through instruments Physical quantities explained on the basis of fundamental physical quantities 6. What does a doctor use to measure body temperature? Vernier Caliper Thermometer Meter rule Hydrometer 7. What does a carpenter use to measure the length of woods required for furniture? Meter rule Vernier Caliper Thermometer Hydrometer 8. What does a puncture mender use to check the air pressure in the tyre? Thermometer Vernier Caliper Hydrometer Air gauges 9. What is the importance of measuring physical quantities correctly with instruments? It is important for scientists and engineers It is only important for doctors It is important for ordinary people It is not important 10. What is the SI unit of length? Yard Foot Meter Inch Loading … Pages: 1 2 3 4 5 6
