Question

give an example of a physical quantity which has a unit but no dimensions​

Answer 1

Explanation:

Quantities having units, but no dimensions : Plane angle,angular displacement, solid angle. These physical quantities possess units but they does not possess dimensional formulas. B a physical quntatity neither having units nor dimensions are trigonometric ratios,strain , specific gravity etc.

Thank you

Answer 2

Answer:

Plane angle and solid angle..

Explanation:

They both have unit radian and steradian respectively, but they don, t have any dimension. Hope gou will got your answer.