A) \[2/3\]
B) \[4/3\]
C) \[3/2\]
D) \[3\]
Correct Answer: B
Solution :
\[\text{R}\text{.D}\text{.=}\frac{\text{Density}\,\,\text{of}\,\,\text{liquid}}{\text{Density}\,\,\text{of}\,\,\text{water}}\text{=2}\] \[\Rightarrow \]Density of liquid\[=2\,\,g\,\,c{{m}^{-3}}\] Density of mixture\[(D)\] \[\text{=}\frac{\text{Total}\,\,\text{mass}}{\text{Total}\,\,\text{volume}}\text{=}\frac{\text{2m}}{{{\text{V}}_{\text{1}}}\text{+}{{\text{V}}_{\text{2}}}}\] \[\frac{m}{{{V}_{1}}}=2\,\,g\,\,c{{m}^{-3}},\,\,\frac{m}{{{V}_{2}}}=1\,\,g\,\,c{{m}^{-3}}\] \[D=\frac{2}{\frac{1}{2}+1};\,\,D=\frac{4}{3}g\,\,c{{m}^{-3}}\]
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