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Name an impurity which when added to pur...

Name an impurity which when added to pure silicon makes it
n-type semiconductor.

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MODERN PUBLICATION-SOLID STATE-EXERCISE
  1. What is the effect of temperature on electrical conductivity of a semi...

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  2. What type of substances exhibit anti-ferromagnetism?

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  3. Name an impurity which when added to pure silicon makes it n-type semi...

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  4. How does the electrolytic conductance vary with temperature ?

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  5. What is the relationship between the edge length (a) of the unit cell ...

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  6. Which point detect in crystals of a solid does not change the density ...

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  7. How do ferromagnetism arise ?

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  8. How do ferromagnetism arise ?

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  9. In a close packed structure there are N- spheres, how many tetrahedral...

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  10. Write two differences between ionic solids and metallic solids.

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  11. How many latttice points are there in one unit cell of each of the fol...

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  12. How many lattice point are there in one unit cell of each of the follo...

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  13. Identify each of the following as being a p-type and n-type semi-condu...

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  14. Identify each of the following as being a p-type and n-type semi-condu...

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  15. How many atoms are there in a unit cell of a metal crystallizing in fc...

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  16. What type of stoichiometruc defect is shown in AgCl?

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  17. What type of substances would make better permanent magnets, ferromagn...

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  18. A compound is formed by two elements M and N. The elements N forms ccp...

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  19. What are the coordination number of Na^+ and Cl^- ions in NaCl?

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  20. Name the substance which on treatment with chlorine yields bleaching p...

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