Tuesday

Unit, Dimension and Error Analysis

1.1 Physical Quantities : Different quantities needed to describe the physical phenomenon or object are called physical quantities. Examples: speed, length, mass, density, etc. The physical quantities are divided in two groups. 1. Fundamental quantities: Those physical quantities which are independent to any other physical quantities. Eg. Mass, length, time, etc. 2. Derived quantities: Those physical quantities which are dependent on other...