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An iron casting weighs 27kg in air 18kg ...

An iron casting weighs 27kg in air 18kg in water. What is the volume of the covities in the casting ? (Density of iron `=7800kgm^(-3)`)

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NN GHOSH-HYDROSTATICS-EXERCISES
  1. An iron casting weighs 27kg in air 18kg in water. What is the volume o...

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  2. A raectangular tank 2 m deep, 5 m broad and 10 m long is filied with w...

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  3. if the atmosperic presssure is 1.1 xx 10^(5)Nm6(-2) (pascal ) and the ...

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  4. A cube floating on mercry has 1/4 of its volume will remain immresed i...

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  5. A block of wood weight 4 kg and has a relative density 0.6 . It is to ...

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  6. A metal plate measuing 2m x 1m is immersed in water and is held there ...

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  7. A sperical iron shell floats almost, completely submerged submerged in...

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  8. A cylinder of iron floats vertically and fully immersed in a vessel c...

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  9. the stem of a common hydrometer is divided into 100 equal parts. It r...

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  10. the stem of a hydrometer is diveided into 100 equal parts. It reads ...

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  11. A U-tube contains water in its lower part. Then 32 cm of kerosene of r...

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  12. two bodies counterpoise each other when suspended in water from the ar...

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  13. A U-tube contains water in its lower part. Then 32 cm of kerosene of r...

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  14. two bodies counterpoise each other when suspended in water from the ar...

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  15. Calculate the depth of water at which a bubble of air would just float...

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  16. A tube 1.5 m long and closed at on end is half filled with mercry and ...

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  17. two cylinders A and B are of the same dimensions but of different mate...

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  18. A tube 2m long and closed at on e end is half filled with mercury and ...

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  19. A column of mercury of 10cm length is contained in the middle of a nar...

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  20. The volume of an air bubble becomes 8 times the original volume in ris...

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  21. A bottle whose volume is 0.45 xx 10^(-3) m^(3) is sunk mouth downwards...

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