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In a hypothetical solid C atoms are found to from cubical close packed lattice. A atoms  occupy  all tetrahedral voids & B atoms occupy all octahedral voids. A and B atoms are of appropriate size, so that there is no distortion in CCP lattice  of C atoms. Now if a plane as shown in the following figure is cut.Then the cross section of this plane will look like.

Option: 1


Option: 2


Option: 3


Option: 4


Answers (1)

best_answer

 

Seven crystal systems -

On the basis of edge length and interaxial angle,crystal system are of seven types- cubic, tetragonal, orthorhombic, monoclinic, hexagonal, triclinic, rhombohedral.

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From the sizes of octahedral and tetrahedral voids, it is clear that the atoms occupying these voids will not

touch each other as we have along body diagonal of FCC.

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Sayak

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