Question

The density of an object is 62.3 in MKS unit. Express it in CGS unit.

• A. $6.23kg/m^3$
• B. $0.623g/{cm}^3$
• C. $0.0623g/{cm}^3$
• D. $62300kg/m^3$

Answer 1

The correct option is C $0.0623g/{cm}^3$

Density is defined as the mass per unit volume of a substance. Density = mass (kg or g)/volume ($m^{3}or{cm}^3$). In MKS system i.e. the SI system the unit of density is $kg/m^3$ and in CGS system it is $g/{cm}^3$. To convert MKS unit to CGS unit the number must be divided by 1000. Therefore, $62.3/1000=0.0623g/{cm}^3$