Q21. There is a hole of area A at the bottom of cylindrical vessel. Water is filled up to a height 'h' and water flows out in 't' second if water is filled to a height 4h, it will flow out in time equal toPhysics — Fluid Dynamics — Question 21 of 106A. tB. 4tC. 2tD. t/4Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →