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What are difficulties arised by using wa...

What are difficulties arised by using water in a barometer instead of mercury ?

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The density of water is low , hence if water is used in barometer the length of tube used in barometer should keep very long (about 11 meter ) .So it is not convenient .
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KUMAR PRAKASHAN-MECHANICAL PROPERTIES OF FLUIDS -SECTION -C (Objective Questions) (VSQs)
  1. Why does an air bubble form in water grow in size from bottom when it ...

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  2. Why is mercury used in a barometer ?

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  3. What are difficulties arised by using water in a barometer instead of ...

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  4. What does it mean when a height of a barometer is falling ?

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  5. What does it mean when a height of a barometer is rising ?

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  6. A barometer kept in a elevator accelerating upwards with acceleration ...

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  7. A barometer kept in an elevator accelerating downwards with accelerat...

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  8. What is buoyant force ?

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  9. Why does a ship made of iron float while a piece of iron sinks in wate...

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  10. A person is sitting in aboat floating in a lake . This person fills a ...

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  11. A container of liquid is free fall without flyout of liquid is this co...

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  12. When two corks , one small and one big are taken into a vessel filled ...

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  13. Why is it easier to swim in sea water than in river water ?

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  14. When stirring by spoon is stop in a milk , it become at rest after s...

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  15. Give the dimensional formula of coefficient of viscosity .

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  16. Define Poise .

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  17. Relation between poise and decapoise.

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  18. Hot liquid flow easily than cold liquid .Give reason .

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  19. Why machine parts becomes sticky in winter ?

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  20. Give two uses of Stoke's law.

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