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What type of semiconductor (n- or p-type...

What type of semiconductor (n- or p-type) is formed when pure Si is doped with a trace amount of B, and why?

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CHHAYA PUBLICATION-SOLID STATE-EXERCISE
  1. Metallic Zn has a hexagonal close-packed array of Zn atoms. How many v...

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  2. What type of semiconductor (n-or p-type) is formed when pure Ge is dop...

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  3. What type of semiconductor (n- or p-type) is formed when pure Si is do...

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  4. Why does the electrical conductivity of semiconductors increase with r...

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  5. Why is the electrical conductivity of metals found to decrease with ri...

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  6. Why does the electrical conductivity of germanium crystal increase whe...

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  7. Write the differences between crystalline and amorphous solids.

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  8. On the basis of the nature of constituent particles, how are crystalli...

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  9. Between square and hexagonal close packing in two dimensions, which on...

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  10. Define: (i) Cubic close-packed structure (ii) Hexagonal close-packed s...

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  11. Show that 26% of the total volume of a face-centred cubic unit cell re...

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  12. Show that the number of octahedral voids in a ccp or an hcp structure ...

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  13. Explain how the electrical neutrality of an ionic crystal is maintaine...

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  14. Table salt (NaCl), which is essentially white in colour, is found yell...

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  15. ZnO is white in colour, but when it is heated its colour turns yellow....

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  16. Why is ferrous oxide hard to be prepared with ideal stoichiometric com...

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  17. Calculate the number of particles in unit cells of ccp and hcp structu...

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  18. Show with a diagram that a unit cell in a ccp structure has a total of...

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  19. The actual formula derived from the analysis of a sample of ferrous ox...

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  20. Show that if the radius of tetrahedral holes in a ccp or a hcp structu...

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