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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.

If a pressure of  6 Pa acts on 3 m2 of area, then the force acting on the surface is

  2.00 N

  18dynes

  18 N

  2.00dynes

  Half-n-half Clue
 

2.

The average atmospheric pressure at sea level is 760 mm Hg. If the relative density of mercury is 13.6, then the air pressure can support _______ m of vertical length of a water column at sea level.

  10.336

  101396

  10336

  0.76

  Half-n-half Clue
 

3.

What instrument is used for measuring atmospheric pressure?

  Sphygmomanometer

  Hygrometer

  Hydrometer

  Barometer

  Half-n-half Clue
 

4.

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

  filled with water

  filled with nitrogen

  essentially vacuum

  filled with air

  Half-n-half Clue
 

5.

12 litres of a gas at a pressure of 3 bar are compressed to 6 litres without any change in the temperature. The final pressure of the gas is about

  6.0  bar

  1.50 bar

  12  bar

  3.00  bar

  Half-n-half Clue
 

6.

5 bars = _______ Pascals

  5e-05

  0.0005

  500000

  50000

  Half-n-half Clue
 

7.

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

  Hydrometer

  Manometer

  Barometer

  Sphygmomanometer

  Half-n-half Clue
 


 
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