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Earn 100

Pascal is a unit of .

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Important Questions on Gravitation

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What conclusion do you get from the observation that a fountain of water is created at the leaking joint of pipes of the main water supply line?
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What is the SI unit of pressure?
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What substance present in our body balances the atmospheric pressure acting on us?
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Match the columns

Column A Column B
1. Stratosphere A. Clear and Sunny
2. High pressure B. Convection
3. Thunderstorms C. Variable winds
4. Cyclones D. Mild cyclones
5. Depressions E. Ozone layer
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The Earth is surrounded by a thick layer of air called the _____.
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What name is given to the force acting on a unit area of an object?
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Atmospheric pressure increases with: 
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What is the relationship between the SI unit of pressure and kilopascal?

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The SI unit of pressure is Pascal (Pa) or N m-2.
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Where will the atmospheric pressure be greater-at ground level or at the top of a high mountain?
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Why do the shape and size of the balloon change when filled with air or water?
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When we press the bulb of a dropper with its nozzle kept in water, air in the dropper is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. The rise of water in the dropper is due to
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Name the quantity whose one of the units is pascal (Pa)?
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Is Pascal a big unit or a small unit for practical usage?
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Give reasons: The unit of pressure is newton per square metre.

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What is atmospheric pressure?

MEDIUM
Name the factors on which atmospheric pressure depends. Explain how does atmospheric pressure changes when we go to the mountains. 
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The S.I. unit of pressure is
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Name any two devices used in everyday life which work on the existence of atmospheric pressure.