1 Which of the following is the smallest unit of length? A Millimeter B Micrometer C Nanometer D Picometer
2 What is the instrument used to measure the specific gravity of a liquid? A Barometer B Hydrometer C Thermometer D Hygrometer
4 Which instrument is used to measure the depth of a liquid? A Ruler B Depth gauge C Measuring cylinder D Hydrometer
6 Which instrument is used to measure the distance traveled by a vehicle? A Speedometer B Tachometer C Odometer D Ammeter
7 What is the instrument used to measure the weight of a fruit? A Physical balance B Spring balance C Weighing scale D All of the above
10 Which of the following is a correct measurement practice? A Parallax error B Zero error C Reading at eye level D Using broken instruments
11 What is the instrument used to measure the focal length of a lens? A Spectrometer B Optical bench C Both A and B D Ruler
13 What is the instrument used to measure the volume of irregular solids? A Measuring cylinder B Eureka can C Both A and B D Ruler
15 What is the instrument used to measure the diameter of a small wire? A Ruler B Vernier caliper C Measuring tape D Meter scale
16 What is the instrument used to measure the angle of a triangle? A Ruler B Protractor C Compass D Set square
18 Which instrument is used to measure the resistance of a conductor? A Voltmeter B Ammeter C Ohmmeter D Galvanometer
20 Which instrument is used to measure the mass of an object? A Measuring cylinder B Spring balance C Physical balance D Thermometer
21 Which of the following is a base quantity in the SI system? A Velocity B Acceleration C Mass D Force
22 Which of the following is used to measure the weight of an object? A Physical balance B Spring balance C Weighing machine D All of the above
23 What is the instrument used to measure the level of sound? A Thermometer B Barometer C Hygrometer D Decibel meter