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School Physics Quiz : Pressure


Answer the following questions based on the change of state and latent pressure.

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Multiple choice

Your Performance  

1.

2 Pa = _______ dynes cm-2

  200000

  0.2

  2e-05

  20

  Half-n-half Clue
 

2.

pressure - barometer
To measure the atmospheric pressure, the space (labeled A) above the mercury level in a barometer tube is

  essentially vacuum

  filled with nitrogen

  filled with water

  filled with air

  Half-n-half Clue
 

3.

Pressure is defined as

  force × distance

  mass × acceleration

  mass / volume

  force / area

  Half-n-half Clue
 

4.

pressure - barometer
Air is trapped in the space (labeled A) above the mercury level in the tube of a barometer, which measures 745 mm Hg. If the atmospheric pressure is 760 mm Hg, then the pressure of the trapped air is

  between 745 and 760 mm Hg

  15 mm Hg

  745 mm Hg

  760 mm Hg

  Half-n-half Clue
 

5.

If a pressure of  8 Pa acts on 4 m2 of area, then the force acting on the surface is

  2.00dynes

  2.00 N

  32 N

  32dynes

  Half-n-half Clue
 

6.

The SI unit of pressure is

  Pascal

  Joule

  Watt

  Newton

  Half-n-half Clue
 

7.

_______ states that the product of the pressure and volume of a fixed mass of gas is constant provided the temperature is unchanged.

  Charles' Law

  Avogadro's Law

  Boyle's Law

  Dalton's Law

  Half-n-half Clue
 


 
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