The rate of flow of water in a capillary tube of length l and radius r is V. The rate of flow in another capillary tube of length 2l and radius 2r for same pressure difference would be. The rate of flow of water in a capillary tube of length l and radius r is V. The rate of flow in another capillary tube of length 2l and radius 2r for same pressure difference would be. September 16, 2020 Category: Cengage NEET by C.P Singh , Chapter 14 - Fluid Mechanics , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related