A) \[82\text{ }c{{m}^{3}}\]
B) \[12\text{ }c{{m}^{3}}\]
C) \[\text{30 }c{{m}^{3}}\]
D) \[\text{18 }c{{m}^{3}}\]
Correct Answer: B
Solution :
Initial volume of water in the cylinder, (before the immersion of the object) \[{{V}_{1}}=70\,c{{m}^{3}}\] Final volume in the cylinder (after the immersion of the object) \[{{V}_{2}}=82\,c{{m}^{3}}\] Hence, volume of the object immersed in the cylinder = Final volume - Initial volume \[=82\text{ }c{{m}^{3}}-70\text{ }c{{m}^{3}}=12\text{ }c{{m}^{3}}\]
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