Question

what do you understand by physical quality?write the SI unit of mass,length and time.​

Answer 1

Answer:

SI unit of mass is kg

si unit of length is cm or metre or km

si unit of time is sec

Answer 2

Answer:

A physical quantity is a property of a material or system that can be quantified by measurement.

SI unit of mass - kilogram

SI unit of length - meter

SI unit of time - second