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Fluids At Rest QUESTIONS AND ANSWERS

IIT JEE : Fluids At Rest QUESTIONS AND ANSWERS :: part1 : 21 to 25

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

21.What is flowing through a pipe of uniform cross-section under constant pressure. At some place the pipe becomes narrow; the pressure of water at this place:

increases

decreases

remains unchanged

depends on several factors

22.A glass bulb is balanced by a brass weight in a sensitive beam balance. Now the balance is covered by a bell-jar which is then evacuated; then:

the beam will remain horizontal

the pan containing the bulb will go down

the pan containing the bulb will go up

the pan will rotate about its axis

23.In English, the phrase tip of the iceberg is used to mean a small visible fraction of something that is mostly hidden. For a real iceberg, what is this fraction if the density of sea water is 1.03 g/cc and that of ice is 0.92 g/cc?

0.106

10.6

0.901

0.801

24.A solid floats in a liquid in the partially submerged position:

the solid exerts a force equal to its weight on the liquid

the liquid exerts a force of buoyancy on the solid which is equal to the weight of the solid

the weight of the displaced liquid equals the weight of the solid

all of the above

25.A dog is sitting in a boat which is floating in a pond. If the dog drinks some water from the pond then:

the level of water in the pond decreases

the level of water in the pond increases