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What is the difference in the structures of zinc blende and wurtzite ?

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PRADEEP-STATES OF MATTER: SOLID MATTER-ADDITIONAL QUESTIONS ( SHORT ANSWER )
  1. Draw the structure of NaCl and represent the coordination numbers of N...

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  2. Draw the structure of CsCl and represent the coordination numbers of C...

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  3. What is the difference in the structures of zinc blende and wurtzite ?

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  4. Define radius-ratio . What is the coordination number if the radius ra...

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  5. Define radius ratio. What is the value of radius ratio for octahedral ...

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  6. For a face-centred cubic crystal of an element , prove that radius (r)...

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  7. For a body-centred cubic, crystal of an element , derive the relations...

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  8. Derive an expression for the calculation of density of the cubic cryst...

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  9. Explain how can you determine the atomic mass of an unknown metal if y...

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  10. What are point defects ? Describe Schottky defects in crystals.

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  11. Write the difference between Frenkel and Schottky defects.

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  12. Frenkel and Schottky defects are:

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  13. What are interstitials ? Explain with suitable examples

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  14. Briefly explain what you understand by 'F-centre' ?

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  15. Pure silicon is an insulator . Silicon doped with phosphorus is a semi...

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  16. Explain Schottky defect in Stoichiometric crystals. What are the conse...

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  17. What do you understand by imperfections in ionic crystals? Name the ty...

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  18. Explain the term 'Doping'

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  19. State the difference between Schottky and Frenkel defects ? Which of t...

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  20. How would you account for the following ? (i) Frenkel defects are no...

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