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Answer the following questions based on density.

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Multiple choice

1.

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. Liquid L1 has a lower density than liquid L2. No definite conclusion can be made about the liquid densities. Liquids L1 and L2 have the same density.

Half-n-half Clue

2.

Density is defined as
 mass / volume mass × acceleration mass × volume volume / mass

Half-n-half Clue

3.

A metal body of mass 243 g occupies a volume of 90 cm3. Identify the metal.
 Lead with density = 11.4 g/cm3 Aluminum with density = 2.7 g/cm3 Tungsten with density = 19.4 g/cm3 Iron with density = 7.9 g/cm3

Half-n-half Clue

4.

The SI unit of density is
 g/cm3 kg/m3 cm3/g m3/kg

Half-n-half Clue

5.

The density of oxygen at room temperature is about 1.3 kg/m3. Therefore, its density in g/cm3 is
 0.0013 0.013 1300 130

Half-n-half Clue

6.

The density of water at room temperature is about
 0.01 g/cm3 1 g/cm3 0.1 g/cm3 10 g/cm3

Half-n-half Clue

7.

The density of air is about 1 g/cm3 at room temperature and atmospheric pressure.
 True False 36 more pages in School Physics Quiz