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Mention one property which is caused due...

Mention one property which is caused due to the presence of F-centre in a solid.

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F-centre is responsible for the colour and paramagnetic behaviour of the solid.
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OSWAAL PUBLICATION-SOLID STATE-TOPIC -2 (VERY SHORT ANSWER TYPE QUESTIONS )
  1. What is Frenkel defect? Give an example.

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  2. Define radius ratio.

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  3. Mention one property which is caused due to the presence of F-centre i...

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  4. What are paramagnetic materials ? Give examples.

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  5. Define ferromagnetism.

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  6. Which point defect decreases the density of a solid ?

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  7. Express the relationship between atomic radius (r) and edge length (a)...

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  8. What type of stoichiometric defect is shown by AgCl ?

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  9. What type substances would make better permanent magnets, ferromagneti...

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  10. On heating a crystal of KCl in potassium vapour, the crystal starts ex...

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  11. Which type of ionic substances show Schottky defect in solids ?

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  12. What is meant by 'doping' in a semiconductor ?

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  13. How is the conductivity of an intrinsic semiconductor be increased ?

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  14. Which stoichiometric defect increases the density of a solid ?

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  15. What type of stoichiometric defect is shown by AgBr and AgI ?

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  16. What type of defect can arise when a solid is heated ?

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  17. Why does LiCl acquire pink colour when heated in Li vapours ?

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  18. What are n-type semiconductors ?

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  19. Which type of substance wxhibit anti ferromagnetism ?

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  20. What type of semiconductor is obtained when silicon is doped with arse...

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