Viscosity –  It is a property of a liquid which is based on its flow in different layers. When a liquid moves with a steady speed over a solid and the motion is quite slow then it is observed that the layer of the liquid in contact with the solid is more or less stationary….

During lockdown all the schools are closed and students are worrying about their studies. Flipped classroom is one the technology which helps students in online  lectures from home. This technology also helps  in online classes without visiting the school and helps to fight corona virus. Flipped classroom is a modern way of studies. A flipped…