Question

The ratio of the values in SI units to values in CGS units of density is

• A. ${10}^3:1$
• B. ${10}^2:1$
• C. ${10}^{-2}:1$
• D. ${10}^{-3}:1$

Answer 1

The correct option is A ${10}^3:1$

the density of water in S.I. unit $\rho =1000kg/m^3$

the density of water in CGS unit ${\rho }^{\prime }=1gm/cc$

the ratio of the densities of water in the different system

$\frac{\rho }{{\rho }^{\prime }}=\frac{{10}^3}{1}$