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n-type semiconductor can be obtained by ...

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

A

As

B

Ga

C

Si

D

B

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USHA PUBLICATION-SOLID STATE-EXERCISE
  1. What is co-ordination number ?

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  2. Schottky defect is generally appears in -

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

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

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

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

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

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  8. Iodine is an example of type of solid.

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

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  10. Give an example of hcp and bcc crystals.

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

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

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

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

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  15. Bragg's equation is -

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  16. Write two characteristics of ionic solid.

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

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

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

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  20. In a simple cubic crystal packing efficiency is .

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