In this Physics video of Surface Tension in Hindi for class 11 we explained angle of contact in surface tension. The angle subtended by the tangent on the surface of a liquid drop on a solid surface from the point of contact is called the angle of contact. When the solid attracts the liquid molecules, the angle becomes obtuse, and when repulsion is there, the angle becomes acute. It is all due to surface energy for the interface.

Previous videos -

🔴 Introduction to 'Mechanical Properties of Fluids' for Class 11
   • 🔴 Mechanical Properties of Fluids - I...  

🔴 Fluid Pressure
   • 🔴 FLUID - 2 || Fluid Pressure || Vari...  

🔴 Pascal's Law (Part 1)
   • 🔴 Pascal's Law (Part 1) || for Class ...  

🔴 Pascal's Law (Part 2)
   • 🔴 Pascal's Law (Part 2) || for Class ...  

🔴 Hydrostatic Paradox
   • 🔴 Hydrostatic Paradox || for Class 11...  

🔴 Mercury Barometer
   • 🔴 Mercury Barometer || for Class 11 i...  

🔴 U-Tube Manometer
   • 🔴 U-Tube Manometer || for Class 11 in...  

🔴 Archimedes' Principle
   • ARCHIMEDES' PRINCIPLE or LAW of FLOAT...  

🔴 Streamline flow and Turbulent flow
   • 🔴 Streamline Flow and Turbulent Flow ...  

🔴 Equation of Continuity
   • 🔴 Equation of Continuity || for Class...  

🔴 Bernoulli's Theorem
   • 🔴 Bernoulli's Theorem || for Class 11...  

🔴 Torricelli's Law
   • 🔴 Torricelli's Law || Speed of Efflux...  

🔴 Venturi Meter || Measuring the Speed of Fluid
   • 🔴 VENTURI METER || Measuring the Spee...  

🔴 MAGNUS EFFECT and DYNAMIC LIFT
   • 🔴 MAGNUS EFFECT and DYNAMIC LIFT || f...  

🔴 VISCOSITY
   • 🔴 VISCOSITY || for Class 11 in HINDI  

🔴 Stokes' Law
   • 🔴 Stokes' Law || for Class 11 in HINDI  

🔴 Terminal Velocity
   • 🔴 Terminal Velocity || for Class 11 i...  

🔴 Reynolds Number
   • 🔴 Reynolds Number || for Class 11 in ...  

🔴 Surface Tension
   • 🔴 Surface Tension || for Class 11 in ...  

🔴 Surface Energy
   • 🔴 SURFACE ENERGY and SURFACE ENERGY D...  

🔴 कांच में पानी क्यों चिपकता है ? जबकि पत्तो में नहीं चिपकता || Interfacial Tension || Surface Tension
   • कांच में पानी क्यों चिपकता है ? जबकि ...  

🔴 Measuring Surface Tension
   • 🔴 Measuring Surface Tension || for Cl...  

🔴 Click here to watch the whole playlist on 'Mechanical Properties of Fluids' for Class 11 :
   • 🔴 Mechanical Properties of Fluids - I...