Question

Which quantities do not have units and dimension​

Answer 1

Explanation:

In dimensional analysis,

A dimensionless quantity is a quantity to which no physical dimension is assigned, also known as a bare, pure, or scalar quantity or a quantity of dimension one, with a corresponding unit of measurement in the SI of the unit one (or 1), which is not explicitly shown.

Answer 2

Answer:

In dimensional analysis, a dimensionless quantity is a quantity to which no physical dimension is assigned, also known as a bare, pure, or scalar quantity or a quantity of dimension one, with a corresponding unit of measurement in the SI of the unit one (or 1), which is not explicitly shown.

Explanation:

The physical quantity neither having units nor dimensions are trigonometric ratios,strain , specific gravity and refractive index et