Question

Q. Give An Example Of: A. a physical quantity which has a unit but no dimensions. B. a physical quantity which has neither unit nor dimensions. C. a constant which has a unit.

Answer 1

A.Plane angle,angular displacement, solid angle

B.: Refractive Index ,dielectric constant, coefficient of friction.

C.Universal gravitational constant (G),Universal gas constant (R),Boltzmann constant (k) .