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Schottky defect does not causes...

Schottky defect does not causes

A

Increase in the density of solid

B

Decrease in the density of solid

C

No change in the density of solid

D

Decrease in the conductivity of solid

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The correct Answer is:
A, C, D
Schottkey defect causes decreases in density of soid
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Schottkey defects -

Schottky defect causes

Which of the following statements are not correct ? (A) Diode is a combination of n-type and p-type semiconductors. (B) Silicon or germanium is electron rich impurity. (C ) Phosphorus and arsenic and electron deficient impurities. (D) Schottky defect decreases the density of the crystal.

Schottky defect in crystals is observed when

(A) The presence of a large number of Schottky defects in NaCZ lowers its density. (R) In NaCZ, there are approximately 10^(6) Schottky pairs per 1 cm3 at room temperature.

Ionic lattice has two major point defects, (1) Schottky (2) Frenkel defects, Schottky defects occurs due to the cation - anion pairs missing from the lattice sites, Frenkel defects occur when an ion leaves its lattice site and fits into an interstitial space. The neutrality of the crystals is being maintained and we considered all losses from interstitial postions Which defect decreases density of the crystal ?

Ionic lattice has two major point defects, (1) Schottky (2) Frenkel defects, Schottky defects occurs due to the cation - anion pairs missing from the lattice sites, Frenkel defects occur when an ion leaves its lattice site and fits into an interstitial space. The neutrality of the crystals is being maintained and we considered all losses from interstitial postions Structure shown here represents

Ionic lattice has two major point defects, (1) Schottky (2) Frenkel defects, Schottky defects occurs due to the cation - anion pairs missing from the lattice sites, Frenkel defects occur when an ion leaves its lattice site and fits into an interstitial space. The neutrality of the crystals is being maintained and we considered all losses from interstitial postions Structure shown here represents:

(A) In any ionic solid with Schottky defects the number of positive and negative ions is same. (R) Equal number of cation and anion vacan­cies are present

AAKASH SERIES-SOLID STATE-PRACTICE SHEET - 4
  1. Doping of 'Ge' metal with a little of 'In produces

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  2. If R is the radius of the octahedral void and r is the radius of the a...

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  3. Schottky defect does not causes

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  4. Which of the following having their radius ratio between 0.414 to 0.73...

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  5. Which of the following statements is or are true?

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  6. Schottkey defects -

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  7. Frenkel defects are

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  8. In alpha crystal with metal deficiency defect …………..

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  9. A metal adopts two allotropic forms with the following types of arrang...

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  10. A metal adopts two allotropic forms with the following types of arrang...

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  11. A metal adopts two allotropic forms with the following types of arrang...

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  12. Crystal defects give some important properties to solids. The defects ...

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  13. Crystal defects give some important properties to solids. The defects ...

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  14. When 'Na' vapour is blown over NaCl solid. The crystals attin yellow c...

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  15. Match the following : {:("COLUMN - I","COLUMN - II"),("A) 50% 'Td' v...

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  16. Match the following : {:("COLUMN - I","COLUMN - II"),("A) "I(2),"p) ...

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  17. If solid A^(+)B^(-) having ZnS Structure is heated so that the ions al...

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  18. The density of a crystal 'AB' with rock saltstructure is fund to be 5g...

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  19. A metal crystallizes in f.c.c. Then, the ratio of number of its first ...

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  20. In Fe(0.96)O, per one Avogadro number of oxide ions, x xx 10^(22) Avag...

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