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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.

7 bars = _______ millibars

  70

  0.7

  0.007

  7000

  Half-n-half Clue
 

2.

Which is the 'odd one out'?

  mm Hg

  bar

  N

  Pa

  Half-n-half Clue
 

3.

pressure - manometer
If the density of liquid A (carbon tetrachloride) is 1.6 g cm-3 and its height hA = 25.0 cm, then the density of oil B of height hB = 50 cm in the U-tube is about

  0.80 g cm-3

  0.31 g cm-3

  1.25 g cm-3

  3.20 g cm-3

  Half-n-half Clue
 

4.

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.

  10000

  1000

  100

  100000

  Half-n-half Clue
 

5.

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

  760 mm Hg

  745 mm Hg

  between 745 and 760 mm Hg

  15 mm Hg

  Half-n-half Clue
 

6.

1 Pascal = 1 _______ m-2

  Newton

  Joule

  Dyne

  Erg

  Half-n-half Clue
 

7.

With increase in altitude, the pressure of the atmosphere

  remains constant

  may increase or decrease

  increases

  decreases

  Half-n-half Clue
 


 
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