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Which point defect decreases the density...

Which point defect decreases the density of a solid ?

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

(i) Write the type of magnetism observed when the magnetic moments are aligned in parallel and anti-parallel directions in unequal numbers. (ii) Which stoichiometric defect decreases the density of the crystal ?

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(a) Calculate the number of particles in Face Centred Cubic (FCC) lattice. (b) What is Frenkel defect? What is its effect on the density of a solid?

Which point defect in crystals of a solid does not change the density of the solid ?

What is Frenkel defect? What is its effect on the density of the solid?

Which of the following would necessarily decrease the density of a population in a given habitat?

(i) Write the type of magnetism observed when the magnetic moments are oppositely aligned and cancel out each other. (ii) Which stoichiometric defect does not change the density of the crystal ?

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OSWAAL PUBLICATION-SOLID STATE-TOPIC -2 (VERY SHORT ANSWER TYPE QUESTIONS )
  1. Mention one property which is caused due to the presence of F-centre i...

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  2. What are paramagnetic materials ? Give examples.

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  3. Define ferromagnetism.

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

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

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

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

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

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

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

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

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

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

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

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

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  16. What are n-type semiconductors ?

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  17. Which type of substance wxhibit anti ferromagnetism ?

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

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  19. Give an example of an ionic compound which shows Frenkel defect.

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  20. Which point defect in crystals of a solid does not change the density ...

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