question_answer

If two liquids of same volume but different densities \[{{\rho }_{1}}\]  and \[{{\rho }_{2}}\] are mixed, then density of mixture is given by

A)            \[\rho =\frac{{{\rho }_{1}}+{{\rho }_{2}}}{2}\]          

B)            \[\rho =\frac{{{\rho }_{1}}+{{\rho }_{2}}}{2{{\rho }_{1}}{{\rho }_{2}}}\]

C)            \[\rho =\frac{2{{\rho }_{1}}{{\rho }_{2}}}{{{\rho }_{1}}+{{\rho }_{2}}}\]      

D)            \[\rho =\frac{{{\rho }_{1}}{{\rho }_{2}}}{{{\rho }_{1}}+{{\rho }_{2}}}\]