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A piece of cork of mass 4 kg floats in w...

A piece of cork of mass 4 kg floats in water with 40% of its volume under water. What is the specific gravity of the cork?

A

0.8

B

0.6

C

0.4

D

0.2

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MODERN PUBLICATION-FLOATING BODIES-EXERCISE
  1. A body floats in liquid when

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  2. Which will be easier to lift?

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  3. A piece of cork of mass 4 kg floats in water with 40% of its volume un...

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  4. A body of weight 70 N is floating in a liquid. The buoyont force actin...

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  5. A body weighs 100N in air. It measures 80N when partially immersed in ...

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  6. A 2 cm cubical lock of mass 2 kg is lying on the ground What is the pr...

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  7. Which of the following units is used to measure thrust?

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  8. A block of wood floats in a liquid of density 0.8 g cm^-3 with one fou...

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  9. If equal masses of water and a liquid of relax density 2 are mixed tog...

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  10. What is centre of buoyancy?

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  11. The S.I unit of relative density is

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  12. State the relationship between thrust and pressure.

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  13. List two factors on which buoyant force depends.

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  14. Relative density of gold is 19.3. The density of water is 1000 kg m^-3...

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  15. Why does an iron nail sink in water whereas wooden cork floats?

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  16. An army tank weighing more than a hundred tonne move conveniently on a...

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  17. Which will exert more pressure, 100 kg mass on 10m^2 or 50 kg mass 4m^...

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  18. If two weights of unequal volumes are balanced in air, what will happe...

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  19. An iron cube of side 10 cm is kept on a horizontal table. If density o...

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  20. When an aobject is immersed ina fluid, two forces act on the object in...

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