--- type: Quiz title: Measuring Devices and Scales canonical: "https://www.easy2crack.com/mcqs/physics/measuring-devices-and-scales" subject: physics questions: 24 free: true updated: null tags: ["mcq", "practice", "physics"] --- # Measuring Devices and Scales 24 multiple-choice questions with answers. ## Q1. In SONAR, we use A. Radio waves B. Audible sound waves C. Ultrasonic waves D. Infrasonic waves **Answer:** c ## Q2. The apparatus used to measure intensity of sound is A. Chronometer B. Anemeter C. Audiophone D. Audiometer **Answer:** d ## Q3. Which one of the following instrument is used for locating submerged objects in an ocean? A. Audiometer B. Galvanometer C. Sextant D. SONAR **Answer:** d ## Q4. SONAR is mostly used by A. Astronauts B. Doctors C. Engineers D. Navigators **Answer:** d ## Q5. Which of the following is measured by ' Anemometer'? A. Velocity of water-flow B. Depth of water C. Force of the wind D. Intensity of light **Answer:** b ## Q6. The velocity of wind is measured by A. Barometer B. Anemometer C. Hydrometer D. Wind Vane **Answer:** b ## Q7. Pyrometer is used to measure A. Air pressure B. Humidity C. High temperature D. Density **Answer:** c ## Q8. Which one of the following devices is used to measure extremely high temperature? A. pyrometer B. Photometer C. Phonometer D. Pycnometer **Answer:** a ## Q9. Which one of the following thermometers is known as pyrometer? A. Thermo-electric thermometers B. Radiation theremometers C. Gas thermometers D. Liquid thermometers **Answer:** b ## Q10. Pyrheliometer' is used for measuring A. Sun spots B. Solar radiation C. Air temperature D. Temperature of plants **Answer:** b ## Q11. What is measured by manometer? A. Air Pressure B. Pressure of gas C. Density of liquids D. Presure of oil on the surface **Answer:** b ## Q12. Which instrument is used to measure atmospheric pressure? A. Hydrometer B. Barometer C. Manometer D. Hygrometer **Answer:** c ## Q13. The density of milk can be obtained by the use of A. Hydrometer B. Butyrometer C. Lactometer D. Thermometer **Answer:** c ## Q14. Which instrument is used for measuring humidity in the air? A. Hydrometer B. Hygrometer C. spectrometer D. Eudiometer **Answer:** b ## Q15. The name of the equipment used for measuring blood pressure is A. Teachometer B. Sphygmomanometer C. Actiometer D. Barometer **Answer:** b ## Q16. The apparatus used to measure the intensity of light is known as A. Anemometer B. Calorimeter C. Luxmeter D. Altimeter **Answer:** c ## Q17. Rader us used for A. Detecting objects by using light waves B. Reflecting sound waves to deetect objects C. Determining the presence and location of object with radio wave D. Tracking rain-bearing cluds **Answer:** c ## Q18. Which of the following quantities is measured on the Richter scale? A. Speed of a glacier B. Population growth C. Intensity of an Earthquake D. Temperature inside the Earth **Answer:** c ## Q19. The Intensity of Earthquake is measured in A. Richter scale B. Decibel scale C. pH scale D. Celsius scale **Answer:** a ## Q20. Which of the following is a seismometer device? A. Crescograph B. Seismograph C. Geiger Counter D. Raingauge **Answer:** b ## Q21. Fathometer is used to measure A. Earthquake B. Rain C. Depth of sea D. Sound intensity **Answer:** c ## Q22. Which one of the following is not correctly matched? A. Manometer - Pressure B. Carburetor - Internal combustion engine C. Cardiograph - Heart movement D. Seismometer - Curvature of surface **Answer:** d ## Q23. Phonometer is used to measure which one of the following? A. The Power of brightness of light B. Extremely high temperature C. Frequency of electromagnetic wave D. Testing the force of the human voice in speaking **Answer:** d ## Q24. The apparatus used for detecting lie is known as A. Polygraph B. Pyrometer C. Gyroscope D. Kymograph **Answer:** a --- Source: https://www.easy2crack.com/mcqs/physics/measuring-devices-and-scales Site: https://www.easy2crack.com · Machine index: https://www.easy2crack.com/llms.txt · MCP: https://www.easy2crack.com/mcp