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What is co-ordination number ?...

What is co-ordination number ?

A

6

B

6

C

10

D

12

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USHA PUBLICATION-SOLID STATE-EXERCISE
  1. Close packing is maximum in the crystal which is -

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  2. What do you mean by packing efficiency ? In which type of crystal arra...

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  3. What is co-ordination number ?

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  4. Schottky defect is generally appears in -

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  5. n-type semiconductor can be obtained by adding - to pure germanium .

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  6. n-type semiconductor can be obtained by adding - to pure germanium .

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  7. In the cubic arrangement the radius ratio is found to be 0.884. The st...

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  8. Radius ratio of NaCl crystal is 0.532. The structure of the crystal is...

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  9. Number of particles present per unit cell of HCP crystal is .

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  10. Iodine is an example of type of solid.

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  11. The point defect which decreases the density of a solid is called as ...

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  12. Give an example of hcp and bcc crystals.

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  13. The total number of atoms per unit cell of a face centred cubic crysta...

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  14. Which non-stoichiometric point defect is responsible for colour in alk...

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  15. Explain the following with suitable examples: n-type semiconductor

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  16. When Indium is added to Germanium which type of semiconductor is forme...

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  17. Bragg's equation is -

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  18. Write two characteristics of ionic solid.

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  19. In molecular solid the constituent particles are held together by .

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  20. Carborundum is a type of solid while dry ice is a type of solid.

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