This video lecture from Heat and Thermodynamics (F.Sc. first year physics) covers What is Pressure? Pressure of gases, and you will learn that how pressure of gases is measured and its different formulas, relationship of pressure with density, K.E and Speed of molecules of Gases. 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.