A) 3 : 2
B) 4 : 1
C) 4 : 3
D) 7 : 4
Correct Answer: B
Solution :
[b] Volume of the hemisphere \[=\frac{2}{3}\pi {{r}^{3}}\] ....(i) Volume of the biggest sphere = volume of the sphere whose radius is \[\frac{r}{2}\] \[=\frac{4}{3}\,\,\pi {{\left( \frac{r}{2} \right)}^{3}}\] ....(ii) From (i) and (ii) Required ratio \[=4:1.\]You need to login to perform this action.
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