This video lecture from Measurements (F.Sc. first year physics) covers the topics of supplementary units, dimensions and also their usage and method of representation. You will also learn how dimensional analysis is applied to check the homogeneity of physical quantities and derive formulas in simple cases using dimensional techniques. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.