Question 3 of 192
Water flows out of a small hole of area at the base of a large cylindrical tank of cross-sectional area filled to height . Time taken to empty the tank completely is:
Show answer and solution
Answer: (B)
.
Fluid Mechanics
Olympiad (NSEP) level, single correct, hard
More Physics practice
- Fluid MechanicsWater flows through a horizontal pipe of non-uniform cross-section. At point the velocity is and pressure is . At point , where diameter is halved, velocity is:
- Fluid MechanicsRaindrops attain a constant terminal velocity due to:
- Fluid MechanicsA spherical ball of radius falls with terminal velocity in a viscous liquid. The viscous drag force acting on the ball is proportional to:
- Fluid MechanicsAn air bubble of volume rises from the bottom of a swimming pool of 5 m deep. At the bottom of the pool water temperature is . The volume of the bubble when it reaches the surface, where the water temperature is , is .
, density of water , and 1 atm pressure is - Fluid MechanicsA plane is in level flight at constant speed and each of its two wings has an area of If the speed of the air is over the lower wing surface and over the upper wing surface, the mass of the plane is ________ (Take air density to be and )
- Fluid MechanicsGiven below are two statements:
Statement I : If a capillary tube is immersed first in cold water and then in hot water, the height of capillary rise will be smaller in hot water.
Statement II : If a capillary tube is immersed first in cold water and then in hot water, the height of capillary rise will be smaller in cold water.
In the light of the above statements, choose the most appropriate from the options given below
Olympiad (NSEP) Physics practice question on Fluid Mechanics, with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.