Question

the physical quantities which are dimebsionless variable are​

Answer 1

Dimensionless quantity is also known as the quantity of dimension with one as a quantity which is not related to any physical dimension. It is a pure number with dimension 1.

n=c/v

n = refractive index

c = speed of light in vacuum

v = speed of light in medium

Answer 2

Answer:

Dimensionless quantity is also known as the quantity of dimension with one as a quantity which is not related to any physical dimension