Question

Why S. I unit is important for measuring any physical quantity explain with examples​

Answer 1

Answer:

because if there will no si unit than answer of everyone will be gone change

Answer 2

There is a need for measurement in physical quantity. Without it , how can you define things. By measuring a physical quantity we define the properties of a material which the physical quantity is associated with. For example, distance, speed, mass, pressure, force, momentum, energy