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Physics Quiz : Density


Answer the following questions based on density.

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Multiple choice

Your Performance  

1.

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

  True

  False

 

2.

The SI unit of density is

  kg/m3

  m3/kg

  g/cm3

  cm3/g

  Half-n-half Clue
 

3.

Which of the following statements is true?

  Sea water has the same density as fresh water.

  Sea water is more dense than fresh water.

  Sea water is less dense than fresh water.

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

  Half-n-half Clue
 

4.

The density of water at room temperature is about

  0.1 g/cm3

  0.01 g/cm3

  10 g/cm3

  1 g/cm3

  Half-n-half Clue
 

5.

A metal body of mass 97.0 g occupies a volume of 5 cm3. Identify the metal.

  Tungsten with density = 19.4 g/cm3

  Lead with density = 11.4 g/cm3

  Aluminum with density = 2.7 g/cm3

  Iron with density = 7.9 g/cm3

  Half-n-half Clue
 

6.

The fraction of an iceberg submerged below the water surface is

  9 / 10

  1 / 5

  1 / 10

  4 / 5

  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 mass is halved.

  The mass is doubled.

  The density is halved.

  Half-n-half Clue
 


 
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