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Schottky defect is generally appears in ...

Schottky defect is generally appears in -

A

NaCI

B

CsCI

C

KCI

D

all of these

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Schottky defect is noticed is:

Schottky defects generate an equal number of cation and anion vacancies while doping produces only cation vacancies and not anion vacancies. Why?

Schottky defect defines imperfection in the lattice structure of -

Give comparison between Schottky defect and Frenkel defect.

How does Schottky defect arise ? In which type of ionic compounds does this defect arise ?

USHA PUBLICATION-SOLID STATE-EXERCISE
  1. What do you mean by packing efficiency ? In which type of crystal arra...

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  2. What is co-ordination number ?

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  3. Schottky defect is generally appears in -

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

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

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

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

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

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  9. Iodine is an example of type of solid.

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

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  11. Give an example of hcp and bcc crystals.

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

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

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

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

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  16. Bragg's equation is -

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  17. Write two characteristics of ionic solid.

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

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

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  20. Which type of crystalline solids are good conductor of electricity ?

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