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(A) : During vacancy defect the density ...

(A) : During vacancy defect the density of solid decreases
(R): The vacancies in the lattice lower the density of solid 

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

(A) is false but (R ) is true

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A
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AAKASH SERIES-SOLID STATE-LEVEL - I (EXERCISE - II)
  1. Schottky - Wagner defects are mostly found in

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  2. Which among the following is likely to have Schottky defect.

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  3. (A) : During vacancy defect the density of solid decreases (R): The ...

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  4. Schottky defect in crystals is observed when

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  5. {:("List - I","List - II"),("A) Crystal defect","1) Amorphous"),("B) C...

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  6. Which of the following is a ''Berthollide Compound''?

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  7. To get n-type semiconductor, impurity to be added to silicon should ha...

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  8. The mechanism of electrical conductivity may be given in terms of

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  9. The oxide that is insulator is

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  10. In which of the following the conductivity would be in the order of 10...

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  11. Which one of the following ratio gives the purity of the metal (rho-re...

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  12. Germanium can be made n-type semi conductor by doping with

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  13. Which one of the following statements is wrong

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  14. The magnetic behavior is different from others in

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  15. The magnetic susceptibility of a substance can be expressed as

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  16. Which of the following is correct statement

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  17. The general formula of ferrites is MFe(2)O(4). Where 'M' would not be

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  18. Which substance shows anti ferro magnetism?

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  19. The alignment of magnetic dipoles shown below uarr darr darr uarr darr...

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  20. {:("List - I","List - II"),("A) Crystal defect","1) Amorphous"),("B) C...

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