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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 water is about 100 kg/m3 at room temperature.

  True

  False

 

2.

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.

  No definite conclusion can be made about the liquid densities.

  Liquid L1 has a lower density than liquid L2.

  Liquids L1 and L2 have the same density.

  Half-n-half Clue
 

3.

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

  True

  False

 

4.

Which of the following statements is true?

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

  Sea water is more dense than fresh water.

  Sea water is less dense than fresh water.

  Sea water has the same density as fresh water.

  Half-n-half Clue
 

5.

Water has the maximum density at

  -4oC

  40oC

  4oC

  0oC

  Half-n-half Clue
 

6.

A metal body of mass 108 g occupies a volume of 40 cm3. Identify the metal.

  Lead with density = 11.4 g/cm3

  Iron with density = 7.9 g/cm3

  Aluminum with density = 2.7 g/cm3

  Tungsten with density = 19.4 g/cm3

  Half-n-half Clue
 

7.

Which of these has the highest density?

  Mercury

  Lead

  Water

  Tungsten

  Half-n-half Clue
 


 
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