The SI unit of frequency is given as the hertz (Hz), implying the unit cycles per second. Hertz is a so-called coherent derived unit in the SI with a special name and symbol. VTT MIKES is responsible for the traceability of time, time interval, and frequency in Finland Coordinated...
INTERNATIONAL SYSTEM OF UNITS (SI)
百度试题 结果1 题目1 Which of the following is the SI derived unit for frequency? B□ A m□ B Hz□ C s□ D Pa 相关知识点: 试题来源: 解析 B 反馈 收藏
Frequency combNowadays, most of the standards of measurement are based on fundamental constants, and among all, the SI units of time and frequency are realized with the highest precision. The SI unit of time interval, i.e. second, is realized on the basis of a hyperfine transition of ...
type Hz A synonym for hertz, the SI unit of frequency. type J A synonym for joule, the SI unit of energy, work, amount of heat. type K A synonym for kelvin, the SI unit of thermodynamic (absolute) temperature. type kat A synonym for katal, the SI unit of catalytic activity. type...
能量单位：焦耳 符号J 电能单位：焦耳（J）或者“千瓦.时（kw.h）”或者“度” 1kw.h=1度
SI Base UnitBase Quantity Name SymbolLength Meter mMass Kilogram kgTime Second sElectric current Ampere ATemperature Kelvin KAmount of substance Mole molLuminous intensity Candela cdTABLE D.2 Some Derived SI UnitsExpression in Expression inTerms of Base Terms of OtherQuantity Name Symbol Units SI ...
AmountUnit nameUnit symbolComposition FrequencyHertzHz1Hz=1s-1 ForceNewtonN1N=1kg･m/s2 Pressure, stressPascalPa1Pa=1N/m2 Energy, work, amount of heatJouleJ1J=1N･m Power, radiant fluxWattWW=1J/s Electric charge, amount of electricityCoulombC1C=1A･s ...
To answer what is si unit, it is the metric system used universally as a standard for measurements. It consists of 7 base units and 22 derived units. Know what is SI unit in a detailed way at BYJU’S.