A solid object has density ρ which has been measured on Earth. 1) its density is 1/6th of its density on earth 2) its density is smaller but finite and not 1/6 its density on earth 3) its density is zero 4) its density is larger, but not 6 times its density on earth 5) not enough information is provided 6) its density is 6 times its density on earth 7) its density is the same on earth

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Q: Which of the following is not a unit for density? (a) kg/m3 (b) g/L (c) g/mL(d) g/cm2

A: Density is defined as the amount of  mass of object present per unit volume of a body.

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Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.