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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.

The pressure at a point in a liquid is proportional to the _______ of the liquid and the depth of the point.

  density

  force

  gravitational acceleration

  area

  Half-n-half Clue
 

2.

Soap bubbles are spherical in shape because

  air trapped inside the bubble has low pressure

  soap film has a low surface tension

  spherical shape has the highest ratio of surface area to volume

  air exerts equal pressure in all directions

  Half-n-half Clue
 

3.

21 litres of a gas at a pressure of 2 bar are compressed to 7 litres without any change in the temperature. The final pressure of the gas is about

  21  bar

  0.67 bar

  2.33  bar

  6.0  bar

  Half-n-half Clue
 

4.

Barometers modified to measure the height above sea level are called

  altimeters

  manometers

  hydrometers

  sphygmomanometers

  Half-n-half Clue
 

5.

5 bars = _______ millibars

  5000

  0.5

  0.005

  50

  Half-n-half Clue
 

6.

3 Pa = _______ dynes cm-2

  30

  300000

  3e-05

  0.3

  Half-n-half Clue
 

7.

Pressure is defined as

  mass / volume

  mass × acceleration

  force × distance

  force / area

  Half-n-half Clue
 


 
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