Dimensions | SACHIN VERMA | PHYSICS

Match the units/dimensions in Column -I with the physical quantities /expressions in column -II.

Discussion H.C Verma

Discussion H.C Verma

Discussion H.C Verma

Dimension Of A Physical Quantity

(a) Can there be a phusical quantity which has no unit and dimensions ? (b) Can a physical quantity have unit without having dimensions?

When dimensions of a given physical quantity are given,the physical quantity is unique .

In what way is the knowledge of the dimensions of a physical quanntity useful?

Two physical quantities whose dimensions are not same, cannot be :

The dimension of mass is zero in the following physical quanties.