IIT JEE : Fluids At Rest QUESTIONS AND ANSWERS :: part1 : 1 to 5
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
1.A neckless weighing 50 g in air, but it weighs 46 g in water. Assume copper is mixed with gold to prepare the neckless. How much copper is present in it? (Specific gravity of gold is 20 and that of copper is 10) |
| m = 25 g |
| m = 30 g |
| m = 35 g |
| m = 20 g |
2.Bernoullis equation is based upon: |
| isochoric process |
| isobaric process |
| isothermal process |
| adiabatic process |
3.A vessel contains oil (density 0.8 g/cc) over mercury (density 13.6 g/cc). A homogeneous sphere floats with half its volume immersed in mercury and the other half in oil. The density of the material of the sphere in g/cc is: |
| 3.3 |
| 6.4 |
| 7.2 |
| 12.8 |
4.The force of buoyancy on an immersed body is: |
| due to weight of the body |
| due to the pressure difference between upper surface and lower surface of the body |
| due to atmospheric pressure |
| both A and B are correct |
5.A boat is floating on the surface of water in a tank carrying steel balls. If the balls are thrown into the tank one by one, how will it affect the level of water? |
| It will rise |
| It will fall |
| It will remain unchanged |
| First it will rise and then fall |
More Fluids At Rest QUESTIONS AND ANSWERS available in next pages
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