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A needle or a pin floats on the surface...

A needle or a pin floats on the surface of water because of

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Surface tension
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PEARSON IIT JEE FOUNDATION-HYDROSTATICS-Level 2
  1. When a Fortins barometer is used to measure the pressure on the surfac...

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  2. In the following figures, state which of the cases is possible, discus...

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  3. The 10% of total volume of the barometer liquid (mercury) contains imp...

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  4. The density of ice is 901 kg m^(-3). What percentage of ice lies below...

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  5. A car is lifted by a hydraulic jack that consists of two pistons. The ...

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  6. An object of weight 500 kg(wt) is lifted by using a hydraulic press. T...

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  7. It is advised not to stand near a running train. Why?

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  8. A constant immersion hydrometer floats vertically in water when the we...

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  9. At the mount of the tap area of cross-section is 2.0cm^(2) and the spe...

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  10. When a metallic sphere is released from the surface of water filled in...

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  11. The relative density of pure gold is 19.3. When an ornament made of go...

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  12. Why gas filled balloons rise up, only to a certain height ?

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  13. A needle or a pin floats on the surface of water because of

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  14. A man can lift a maximum weight of 30 kg("wt"). In order to lift an ob...

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  15. An effort applied on the small piston of a hydraulic jack lifts the lo...

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  16. Suggest a method to fill water in a tank constructed at a height of 10...

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  17. A pressure exerted by mercury at the bottom of a container of area of ...

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  18. A cuboid of dimensions 3 m xx 2m xx 1m is placed on a surface such tha...

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  19. A body is immersed in a liquid of relative density 2.6. It is found th...

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