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A body weight 20 N in a liquid whose rel...

A body weight 20 N in a liquid whose relative density is 5. In water it weight 40 N. Find its weight in air ?

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PEARSON IIT JEE FOUNDATION-HYDROSTATICS-TEST YOUR CONCEPTS (VERY SHORT ANSWER TYPE QUESTIONS)
  1. Define upthrust and how is the upthrust experienced by a body affected...

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  2. State the law of floatation.

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  3. ARCHIMEDE'S PRINCIPLE

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  4. The pair of physical quantities having the same units are

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  5. Write an expression for the relative density of a solid floating in a ...

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  6. The sudden fall in pressure due to a rise in humidity indicates

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  7. State Bernoulli's principle.

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  8. Explain how fluids differ from solids.

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  9. A liquid of mass 200 g exerts a pressure of 0.1 Pa at the bottom of co...

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  10. Bring out the differences between liquids and gases ?

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  11. Two identical tanks contain water and a liquid of density 0.8 g cm^(-3...

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  12. State and prove Pascal's law of transmission of fluid pressure.

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  13. Due to the presence of certain impurities in mercury, its effective de...

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  14. What are the disadvantages of a simple mercury barometer ?

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  15. A body weight 20 N in a liquid whose relative density is 5. In water i...

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  16. What are the advantages of an aneroid barometer over a mercury baromet...

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  17. A solid of mass 100 g and density 2 g cm^(-3) is immersed in water. Ca...

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  18. Explain Plimsoll lines ?

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  19. Why do few bodies float while other bodies sink in water ?

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  20. What would you conclude if the heights of both liquids in a Hare's app...

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