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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.

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 air

  filled with water

  Half-n-half Clue
 

2.

21 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

  1.00 bar

  21  bar

  9.0  bar

  2.33  bar

  Half-n-half Clue
 

3.

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

  Anemometer

  Aneroid

  Hydrometer

  Manometer

  Half-n-half Clue
 

4.

pressure measurement
A _______ measures the pressure in terms of the difference in fluid levels between the vertical arms of a glass U-tube.

  Sphygmomanometer

  Hydrometer

  Barometer

  Manometer

  Half-n-half Clue
 

5.

5 Pa = _______ dynes cm-2

  50

  500000

  0.5

  5e-05

  Half-n-half Clue
 

6.

The SI unit of pressure is

  Joule

  Pascal

  Watt

  Newton

  Half-n-half Clue
 

7.

If the average atmospheric pressure at sea level can support 10.34 m of vertical length of a water column, then its magnitude is about _______ Pa.
Assume density of water = 1 g cm−3 and gravitational acceleration = 9.8 m s−2.

  100000

  1000

  10000

  100

  Half-n-half Clue
 


 
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