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Wind blowing horizontally over a paper m...

Wind blowing horizontally over a paper makes it fly away. This can be explained on the basis of Bernoullis principle.

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  1. Wind blowing horizontally over a paper makes it fly away. This can be ...

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  2. When water is used as barometer liquid the height of the water column ...

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  3. explain. Force acting on a unit area is called pressure.

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  4. In the expression buoyant force or upthrust =V xx rho xx g rho is the ...

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  5. The apparent weight of a floating body is equal to .

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  6. An object floats in water such that half of its volume is immersed in ...

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  7. At constant temperature, when the pressure of a given mass of gas is i...

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  8. If x is the weight of an object in air and Y is its weight when comple...

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  9. A variable immersion hydrometer is immersed upto (1)/(2) " and " (1)/(...

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  10. One of the limbs of a mercury manometer is connected to a gas cylinder...

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

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  12. A vertical off-shore structure is built to withstand a a maximum stres...

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  13. Two metal plates 'A' and 'B' having the same breadth but different len...

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  14. The principle involved in the pressing of bales of cotton by a hydraul...

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  15. 20 Pa pressure is applied on the head of a nail placed perpendicular t...

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  16. The sudden fall in pressure due to a rise in humidity indicates

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  17. As air bubble rises from bottom to the top of a water tank. the size o...

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  18. Which one of the following statements is true?

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  19. Which barometer does not contain any liquid ?

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  20. A cylindrical object flats in water such that (3//4) th of its volume ...

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