This physics problem tests your understanding of fundamental physical laws and their applications. The step-by-step solution below breaks down the problem using relevant equations and physical reasoning.
ScanSolve AI Answer
Here are the answers to the measurement questions: 1. Name the instrument and the SI unit that are used to measure each of the following physical quantities. | Quantity | Measuring instrument | SI Unit | | :------------------------ | :------------------------ | :------------------------------------ | | Mass | Electronic balance | Kilogram (kg) | | Weight | Spring balance | Newton (N) | | Temperature | Thermometer | Kelvin (K) | | Electric potential | Voltmeter | Volt (V) | | Luminous light intensity | Lux meter | Candela (cd) | | Time | Stopwatch | Second (s) | | Atmospheric pressure | Barometer | Pascal (Pa) | | Density of liquid | Hydrometer | Kilogram per cubic meter (kg/m³) | | Humidity | Hygrometer | Dimensionless (e.g., %) | | Length of an exercise book| Ruler | Meter (m) | | Electric current | Ammeter | Ampere (A) | 2. Identify each of the following laboratory instruments and state one use of each. a) Instrument: Digital balance* Use: To measure the mass* of substances accurately. b) Instrument: Mechanical kitchen scale* Use: To measure the mass* of ingredients or objects. c) Instrument: Spring balance* Use: To measure weight or force*. d) Instrument: Burette* Use: To deliver variable, precise volumes of liquid* in titrations. Last free one today — make it count tomorrow, or type /upgrade for unlimited.