Question

what is physical quantities and how many types

Answer 1

Physical quantity is the quantity that can be measured .for ex. Mass

Answer 2

Physical quantity is a quantity that can be measured. Seven types .They are:
1.Time (s)
2.Length (m)
3.Mass (kg)
4.Electrical current (A)
5.Temperature (K)
6.Amount of substance (mol)
7.Luminous intensity (cd)