Brief Description Of Dimensional Analysis

Dimensional analysis is one of the important concepts that help us to solve numerical problems Physics. It is important to keep all the units same while solving any problem and this can be done with the help of dimensional analysis.

Dimensional analysis is defined as the study of physical quantities along with their dimensions and units of measurements. Dimensional analysis is done mainly for the conversion of units. 

Below is the table with basic quantities and their dimensions:

Base quantity

Dimensional symbol

Length

L

Mass

M

Time

T

Current

I

Thermodynamic temperature

Ө

Luminous intensity

J

Amount of substance

N

Dimensional analysis finds applications in:

  • To derive the relation between physical phenomenon and physical quantities.
  • To change units from one system to another.
  • To maintain consistency in the dimensional equation.

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