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A jet plane flies in air because...

A jet plane flies in air because

A

Streamlined flow of air causing lift

B

Upward thrust of air balance its weight

C

No gravity acts on plane

D

None of these

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MODERN PUBLICATION-FLOATING BODIES-EXERCISE
  1. When a body sinks in a liquid the weight of the body is

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  2. if da and db are densities of the material of body and the liquid resp...

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  3. A jet plane flies in air because

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  4. Mass of an object in air is 40 kg. Mass of this object in water will b...

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  5. The weight of a body felt in tap water and salted water are WA and WB ...

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  6. Upthrust depends upon

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  7. A cube of ice floats in a beaker of water. When the ice melts, the lev...

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  8. Which of the following has the highest density?

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  9. The density of tap water is less than that of sea water. If an object ...

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  10. When a body is fully or partly immersed in a liquid, it undergoes an a...

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  11. If the density of the object placed in a liquid equal to the density o...

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  12. The pressure exerted by a solid decreases with the increase of

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  13. The loss in weight of a solid more in salt solution than water because

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  14. For a body floating on water appraent weight is equal to

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  15. A cube of ice floats in a beaker of water. When the ice melts, the lev...

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  16. A student lowers a body in a liquid filled in a contianer, he finds th...

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  17. While comparing the pressure exerted by the three different faces of a...

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  18. If a body is compressed to half its previous volume, its density

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  19. To Observe And Compare the pressure exerted by the 3 faces if a cuboid...

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  20. A buoyant force of 200 gwt acts on a body dipped completely in water. ...

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