10. a attice has the folowing primitive vectors (in a), ā =2{j+k). b-2k+i}. ë =2{i +i).the recipo- cal lattice corresponding to the above lattice is 10. (a) bcc

10. A attice has the folowing primitive vectors (in A), ā =2{j+k). b-2k+i}. ë =2{i +i).The recipo- cal lattice corresponding to the above lattice is 10. (a) bcc lattice cube edge of (z/2) Å"" (b) bcc lattice with cube edge of (2T) Å" () fec lattice with cube edge of (7/2) A" (d) fec lattice with cube edge of (21)Ä=