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Physics Quiz : Density


Answer the following questions based on density.

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Multiple choice

Your Performance  

1.

The fraction of an iceberg submerged below the water surface is

  1 / 10

  4 / 5

  9 / 10

  1 / 5

  Half-n-half Clue
 

2.

The density of carbon dioxide is 1.8 kg/m3. So, the volume occupied by 3.6 kg of carbon dioxide is

  2 m3

  6.5 m3

  0.5 m3

  None of these

  Half-n-half Clue
 

3.

Hot air is less dense than cold air.

  True

  False

 

4.

Which of the following statements is true?

  Water floats on oil because water is more dense than oil.

  Water floats on oil because water is less dense than oil.

  Oil floats on water because oil is less dense than water.

  Oil floats on water because oil is more dense than water.

  Half-n-half Clue
 

5.

An object floats in liquid L1, but it sinks to the bottom in liquid L2. Which statement of the following is true?

  Liquid L1 has a higher density than liquid L2.

  Liquids L1 and L2 have the same density.

  No definite conclusion can be made about the liquid densities.

  Liquid L1 has a lower density than liquid L2.

  Half-n-half Clue
 

6.

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

  True

  False

 

7.

Which of the following statements is true?

  Sea water has the same density as fresh water.

  Sea water is less dense than fresh water.

  Sea water is more dense than fresh water.

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

  Half-n-half Clue
 


 
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