Numerical value of the magnitude of a physical quantity is

Numerical value of magnitude of a physical quantity is :

The magnitude of any physical quantity

The magnitude of a physical quantity consists of………….

The numerical values and units of a physical quantity in two different system of units are n_(1), n_(2) and u_(1), u_(2) respectively. Then

The numerical values and units of a physical quantity in two different system of units are n_(1), n_(2) and u_(1), u_(2) respectively. Then

Statement-I: The product of the numerical value and unit of physical quantity remains same in every system of unit. Statement-II: magnitude of a physical quantity remains same in every system of units.

What is meant by a frame of reference ? Does the magnitude of a physical quantity depend on the choice of frame of reference ?