There is no "measurement of light". The units used depend on what you want to measure: its speed, frequency, wavelength, energy per photon, etc.
SI stands for Systeme International which is the metric system of measurement.
Well the SI unit of length is the meter, and SI is the first standard measurement system...
The SI unit for volume is m3.
Si unit
the metric system/SI
lumen
Its based on the speed of light.
A kilometre is a measurement in the SI system.
Since a kilometre is an SI unit of measurement, the answer is 64 km.
The SI, of course!The SI, of course!The SI, of course!The SI, of course!
the si system of measurement is the standard set of units accepted throughout the world.
SI is a unit of measuring.
stupid measurement
SI stands (in French) for Système international d'unités, the International System of Units [of measurement].
The SI unit for temperature is the kelvin.
There is none. Fahrenheit is not an SI unit.
Romania, like most countries, uses the SI system of measurement.