The International System of Units

The video tutorial discusses the evolution of measurement systems, highlighting the transition from various historical systems like CGS, MKS, and FPS to the universally adopted SI system. It explains the seven SI base units: meter, kilogram, second, ampere, kelvin, mole, and candela, along with their precise definitions. Additionally, it covers the SI units for angles, radian and steradian, and explains how all other units are derived from these base units.

What were the base units for length, mass, and time in the CGS system?

Explain the significance of the SI system being a decimal system.

Describe the SI unit for length and how it is defined.

What is the SI unit of luminous intensity and how is it defined?

What is the definition of a steradian in the context of the SI system?