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Which of the following is correct for cl...

Which of the following is correct for closest packed structure?

A

There are six types of interstices

B

There are four types of interstices

C

There are two types of interstices

D

There are three types of interstices

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The correct Answer is:
3
Two different types of holes occur , some are bounded by four sphere and are called tetrahedral holes while other are bounded by six sphere and are called octahedral holes.
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R SHARMA-SOLID STATE-QUESTION BANK level 2
  1. Coordinating number of Na^(+) in NaCl is

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  2. Which of the following is correct for closest packed structure?

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  3. If the radius of the octahedral void is r and radius of the atom in cl...

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  4. Which of the following elements exhibits ferromagetism?

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  5. The edge length of face centred cubic unit cell is 5.8 pm. if the radi...

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  6. Schottky defect in a crystal is observed when

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  7. The intermetallic compounds LiAg crystallises in cubic lattice in whic...

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  8. When electrons are trapped into the crystalline anion vacancy the def...

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  9. In the fluorite structure the coordination number of Ca^(2+) ion is

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  10. For orthorhombic system axial ratios are a nebnec and the axial angle ...

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  11. Most crystals show good cleavage because their atoms ions or molecules...

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  12. Three element A,B,C crystallize into a cubic solid lattice.Atoms A occ...

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  13. Schottky defect occurs mainly in electrovalent compounds where

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  14. Which of the following shows ferrimagnetism?

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  15. If Z is the number of atoms in the unit cell that represent the closed...

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  16. A metal crystallises in a bcc lattice ,its unit cell edge length in ab...

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  17. In face -centered cubic unit cell, edge length is

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  18. On doping Ge with a little of In or Ga one gets

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  19. A compound is formed by elements A and B. This crystallises in the cub...

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  20. A semiconductor of Ge can be made p-type by adding

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