Consider a cube containing n unit c...
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Consider a cube containing n unit cells of a cubic system. DB Arrangement of atoms A plane ABCD obtained by joining the mid points of the edges on one of its identical faces had atoms arranged as shown. Find packing fraction correct to 2 decimal places. Your Answer

JEE/Engineering Exams
Chemistry
Solution
337
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Accolding to given diaghans lattien should belike [ begin{array}{l} 2 r=a r=a / 4 end{array} ] Effutine ( n 0 ). ( quad f ) sphens inside ( =12 times frac{1}{4}+6 times frac{1}{2} ) [ frac{4}{2 operatorname{cog} 2 operatorname{sen} 12} frac{2}{operatorname{san}(cos x)} ] pathing frailing ( =52.35 ),
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