Question

what do you mean by derived quantities

Answer 1

those qualities which can measure directly or indirectly is called physical quantity

Answer 2

Hey,
Ur answer is here,
Those quantities which we have to derive from another formula is known as derived quantities.
For example::I=P×R×T/100
THEREFORE, TO FIND R, WE HAVE TO DERIVE THIS FORMULA,
R=I×100/P×T
Hope it helps you ☺️