equal masses of water and a liquid of relative density 2 are mixed together then the mixture has a relative density of (in g/cm^3) (a) 2/3 (b) 4/3 (c) 3/2 (d) 3
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Explanation:
Let the volume of water mixed be V.
Density ρ=
V
m
Since, density of the other liquid is two, its volume is
2
V
Total mass M=2m
Total volume V
total
=V+
2
V
=
2
3V
Density, ρ
′
=
3V/2
2M
= 4/3
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