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Physics Quiz : Density


Answer the following questions based on density.

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Multiple choice

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1.

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

  The mass is halved.

  The density is doubled.

  The density is halved.

  The mass is doubled.

  Half-n-half Clue
 

2.

Which of these has the lowest density?

  Glass

  Aluminum

  Water

  Cork

  Half-n-half Clue
 

3.

A metal body of mass 189 g occupies a volume of 70 cm3. Identify the metal.

  Aluminum with density = 2.7 g/cm3

  Iron with density = 7.9 g/cm3

  Lead with density = 11.4 g/cm3

  Tungsten with density = 19.4 g/cm3

  Half-n-half Clue
 

4.

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

  True

  False

 

5.

A metal body of mass 58.2 g occupies a volume of 3 cm3. Identify the metal.

  Aluminum with density = 2.7 g/cm3

  Tungsten with density = 19.4 g/cm3

  Lead with density = 11.4 g/cm3

  Iron with density = 7.9 g/cm3

  Half-n-half Clue
 

6.

Density is defined as

  mass × volume

  volume / mass

  mass × acceleration

  mass / volume

  Half-n-half Clue
 

7.

The density of mercury is 13.6 g/cm3. So, the mass of 8 cm3 of mercury is

  1 g

  108.8 g

  108800 g

  None of these

  Half-n-half Clue
 


 
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