Question

define dimensionaless variable with two examples
​

Answer 1

Answer:

A dimensionless variable is a unitless value produced by multiplying and dividing combinations of physical variables, parameters, and constants. ◆ Examples- (a) Pi (π) - π is the ratio of circumference to diameter. Therefore, it has no dimensions.

Answer 2

Explanation:

Coefficient of Friction (μ) and and Relative Density are dimensionless variables.

hope it will help you