Question

Define physical quantities and units

Answer 1

unit is a quantity of a constant magnitude which is used to measure the magnitude of other quantities of the same nature .
and Physical quantity is a type of quantity which can be measured and the formula for measuring physical quantity is (numerical value)*(unit)
HOPE IT HELPS YOU !!!

Answer 2

the physical quantity is used to describe the measure of quantity . there are 7 foundamental units . sone physical quantity are :

1)lengths - meter /km
2)temperatures- kelvin

3)weight- kg

4)electricity - candela

5) pressure - pascal

6) work- joule