A) 39.27%
B) 68.02%
C) 74.05%
D) 78.54%
Correct Answer: D
Solution :
[d] Packing effeminacy \[=\frac{\text{Area}\,\,\text{occupied}\,\,\text{by}\,\,\text{effective}\,\,\text{circles}}{\text{Area}\,\,\text{of}\,\,\text{square}}\] \[=\frac{2\pi {{r}^{2}}}{{{L}^{2}}}\times 100=\frac{2\pi {{r}^{2}}}{2{{(\sqrt{2}r)}^{2}}}\times 100\] \[=\frac{\pi }{4}\times 100=78.54%\]
You need to login to perform this action.
You will be redirected in
3 sec
