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Physics Quiz : Density


Answer the following questions based on density.

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Multiple choice

Your Performance  

1.

Water has the maximum density at

  -4oC

  40oC

  4oC

  0oC

  Half-n-half Clue  
 

2.

The density of water is about 100 kg/m3 at room temperature.

  True

  False

 

3.

The density of air is about 1 g/cm3 at room temperature and atmospheric pressure.

  True

  False

 

4.

Hot air is less dense than cold air.

  True

  False

 

5.

Which of the following statements is true?

  Sea water is less dense than fresh water.

  Sea water may be more dense or less dense than fresh water.

  Sea water is more dense than fresh water.

  Sea water has the same density as fresh water.

  Half-n-half Clue  
 

6.

A metal body of mass 162 g occupies a volume of 60 cm3. Identify the metal.

  Lead with density = 11.4 g/cm3

  Tungsten with density = 19.4 g/cm3

  Iron with density = 7.9 g/cm3

  Aluminum with density = 2.7 g/cm3

  Half-n-half Clue  
 

7.

One kg of air is compressed from 1 m3 to 0.5 m3. Which of the following statements is true?

  The density is doubled.

  The density is halved.

  The mass is doubled.

  The mass is halved.

  Half-n-half Clue  
 


 
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