The reference standard used for the mesaurement of physical quanitiy is called ______.
A scientist performs an experiment in order to measure a certain physical quantity and takes 100 observations. He repeats the same experiment and takes 400 observations, by doing so
Derived Physical Quantities
Is J a physical quantity ?
The magnitude of any physical quantity
What are different systems of unita used for measuring all kinds of physical quantities?
What are different systems of units used for measuring all kinds of physical quantities?
What do we need to measure physical quantities accurately?