How many types of units are in SI ?
The number of categories in which physical quantities are divided is_____________?
Which one is not a branch of physical sciences ?
Absolute uncertainty in a measurement depends upon______________?
Three students measured the length of a needle with meter rod and recorded as : (i) 0.2145m (ii) 0.21m (iii) 0.214m Which one is a correct record ?
SI unit of the coefficient of viscosity is___________________?
Which equation is not dimensionally correct ?
Dimensional analysis is helpful for__________________?
ML-1 T-2 is the dimension of_______________?
The dimension of force is__________________?