Q19. A cylinder of height 20 m is completely filled with water. The velocity of efflux of water (in m/s) through a small hole on the side wall of the cylinder near its bottom is:Physics — Fluid Dynamics — Question 19 of 106A. 10B. 20C. 25.5D. 5Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →