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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.

2 Pa = _______ dynes cm-2

  2e-05

  0.2

  20

  200000

  Half-n-half Clue
 

2.

_______ states that the product of the pressure and volume of a fixed mass of gas is constant provided the temperature is unchanged.

  Dalton's Law

  Avogadro's Law

  Boyle's Law

  Charles' Law

  Half-n-half Clue
 

3.

If a pressure of  7 Pa acts on 5 m2 of area, then the force acting on the surface is

  1.40dynes

  35dynes

  35 N

  1.40 N

  Half-n-half Clue
 

4.

pressure - manometer
If the density of liquid A (carbon tetrachloride) is 1.6 g cm-3 and its height hA = 28.1 cm, then the density of oil B of height hB = 50 cm in the U-tube is about

  0.90 g cm-3

  1.11 g cm-3

  0.35 g cm-3

  2.84 g cm-3

  Half-n-half Clue
 

5.

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

  10336

  101396

  0.76

  Half-n-half Clue
 

6.

15 litres of a gas at a pressure of 3 bar are compressed to 5 litres without any change in the temperature. The final pressure of the gas is about

  9.0  bar

  15  bar

  1.67  bar

  1.00 bar

  Half-n-half Clue
 

7.

With increase in altitude, the pressure of the atmosphere

  decreases

  remains constant

  increases

  may increase or decrease

  Half-n-half Clue
 


 
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