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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.

Barometers modified to measure the height above sea level are called

  hydrometers

  sphygmomanometers

  manometers

  altimeters

  Half-n-half Clue  
 

2.

With increase in altitude, the pressure of the atmosphere

  decreases

  may increase or decrease

  remains constant

  increases

  Half-n-half Clue  
 

3.

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

  760 mm Hg

  15 mm Hg

  745 mm Hg

  Half-n-half Clue  
 

4.

_______ is a type of barometer that consists essentially of a thin metal box exhausted of air.

  Aneroid

  Anemometer

  Manometer

  Hydrometer

  Half-n-half Clue  
 

5.

The SI unit of pressure is

  Newton

  Joule

  Watt

  Pascal

  Half-n-half Clue  
 

6.

14 litres of a gas at a pressure of 3 bar are compressed to 7 litres without any change in the temperature. The final pressure of the gas is about

  1.50 bar

  3.50  bar

  6.0  bar

  14  bar

  Half-n-half Clue  
 

7.

Soap bubbles are spherical in shape because

  soap film has a low surface tension

  air exerts equal pressure in all directions

  air trapped inside the bubble has low pressure

  spherical shape has the highest ratio of surface area to volume

  Half-n-half Clue  
 


 
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