IIT JEE Questions And Answers :: Fluids At Rest: part1



IIT JEE : Fluids At Rest QUESTIONS AND ANSWERS :: part1 : 16 to 20

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

16.In each heart beat, a heart pump 80 ml of blood at an average pressure of 100 mm of Hg. What will be the power output of the heart? (Assume 60 heart beats per minute)

1W
2.75W
1.06W
0.5W

17.A solid is completely immersed in a liquid. The force exerted by the liquid on the solid will:

increase if it is pushed deeper inside the liquid
change if its orientation is changed
decrease if it is taken partially out of the liquid
none of the above

18.In a steady incompressible flow of a liquid:

the speed does not change if the area of cross-section changes
the speed increases if the area of cross-section increases
the speed decreases if the area of cross-section increases
bubbles are produce when the area of the cross-section increases

19.When a slip floats on water:

its displaces no water
the mass of water displaced is equal to the mass of the ship
the mass of water displaced is lesser than the mass of the ship
the mass of water displaced is greater than the mass of the ship

20.If there were a smaller gravitational effect, which of the following forces do you think would alter in some respect?

Viscous force
Archimedes uplift
Electrostatic force
Nuclear force

More Fluids At Rest QUESTIONS AND ANSWERS available in next pages

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