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What are F-centres?...

What are F-centres?

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ASSAM ACADEMIC CENTRE-Solid State -Example
  1. What is bravais lattice?

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  2. A solid has the conductivity 10^(-2) (ohm m)^-1. To which category of ...

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  3. What are F-centres?

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  4. Classify the following as being either a p-Type or n-Type semiconducto...

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  5. Classify each of the following as being either a p-type or an n-type s...

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  6. What is point defect?

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  7. Why is Frenkel defect found in AgCl?

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  8. What makes alkali metal halides sometimes coloured, which are otherwis...

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  9. What are pseudo solids? Give examples.

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  10. How is the unit cell of crystal characterised? How many basic crystal ...

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  11. What type of crystal defect is produced when sodium chloride is doped ...

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  12. What is the percentage of filled space is the face centred Cubic unit ...

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  13. What type of lattice imperfections are found in crystals?

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  14. State the difference between Schottky and Frenkel defects.

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  15. What are interstitial defect in a crystal?

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  16. What is the Co-ordination number of an octahedral void?

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  17. What is the effect of temperature on the conductivity of semi conducto...

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  18. Frenkel defect is not found in halides of alkali metal why?

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  19. Although pure silicon is an insulator, then how does it behave as a se...

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  20. Define forbidden zone in the insulator.

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