Question
Tue July 12, 2011 By:

how to find dimensional formula? what is the dimensional formula of stress ,surface tension,moment of inertia and refractive index?

Expert Reply
Tue July 12, 2011
Dimensional formula of a physical quantity is found by expressing its derived unit in terms of the fundamntal units of mass, length and time raised to some power. This is done by using the equations representing its relation with other physical quantities whose dimensions in mass, lngth and time are known.
 
Dimensional formula for:
 
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