
Curved surface of a vessel has shape of truncated cone having semi vertex angle . Vessel is full of water (density ) upto a height of and is placed on a smooth horizontal plane. Upper surface is opened to atmosphere. A hole of is made on curved wall at a height of from bottom as shown in figure. Area of water surface in the vessel is large as compared to the area of hole.
(Take )



Important Questions on Mechanical Properties of Fluids
The platelets are drifting with the blood flowing in a streamline flow through a horizontal artery as shown below:
Artery is contracted in region . Choose the correct statement.

What will be the nature of flow of water from a circular tap, when its flow rate increased from to The radius of the tap and viscosity of water are and , respectively. (Density of water : )











(Take )






Consider the configuration of a stationary water tank of cross-section area and a small bucket as shown in figure below;
What should be the speed of the bucket, so that the water leaking out of a hole of cross-section area (as shown) from the water tank does not fall outside the bucket?
(Take, and ).



