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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 14 - Fluid Mechanics > The rate of steady volume flow of water through a capillary tube of length ‘ l ‘ and radius ‘ r ‘ under a pressure difference of P is V . This tube is connected with another tube of the same length but half the radius in series. Then the rate of steady volume flow through them is (The pressure difference across the combination is P )

The rate of steady volume flow of water through a capillary tube of length ‘ l ‘ and radius ‘ r ‘ under a pressure difference of P is V . This tube is connected with another tube of the same length but half the radius in series. Then the rate of steady volume flow through them is (The pressure difference across the combination is P )

3 different shapes are gives. Identify the combination of air resistances which truly represents the physical situation. (the cross sectional areas are the same). the resistance of air depends to a great extent on the shape of the body When a body falls in air