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The void between two oppositly directed ...

The void between two oppositly directed planar triangles of spheres in adjacent layers is called

A

cubic void

B

tetrahedral void

C

octahedral void

D

2 or 3

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-SOLID STATE-OBJECTIVE EXERCISE -1
  1. An octahedral void is surrounded by how many spheres ?

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  2. How many Cl^(-) ions are there around Na^(+) ion in NaCl crystal

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  3. The void between two oppositly directed planar triangles of spheres in...

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  4. In a cubic close packed structure the number of nearest neighbours for...

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  5. Which of the following structure is most uncommon for metals ?

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  6. Which of the following packing is more efficient:

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  7. The packing efficiency in a simple cubic cell system of crystals is

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  8. The number of tetrahedral voids in the unit cell of a face-centred cub...

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  9. The Ca^(2+) and F ions are located in CaF( 2)crystal, respectively at ...

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  10. The fraction of the total volume occupied by the atoms present in a si...

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  11. In the structure given below, the sites S(1) and S(2) represent

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  12. The packing fraction for a body centred cube

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  13. Density of a crystal is given by :

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  14. The percent of void space in a body - centred cubic lattice is :

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  15. Calculate the efficiency of the packaing in case of face - centered cu...

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  16. Coordination number for Cu is

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  17. Which of the following has hcp crystal structure ?

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  18. The intermetallic compound LiAg crystallizes in cubic lattice in which...

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  19. In a cubic closed packed structure of mixed oxide, the oxide ions are ...

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  20. Which of the following has both Schottky and Frenkel defects.

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