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What is radius ratio ? What is its signi...

What is radius ratio ? What is its significance in case of ionic crystals?

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ICSE-SOLID STATE-EXERCISE (PART-II DESCRIPTIVE QUESTIONS) (SHORT ANSWER QUESTIONS)
  1. The radius of an octahedral void is 'r' and the radius of an atom is '...

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  2. If the radius of a tetrahedral void is 'r' and radius of atom in close...

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  3. What is radius ratio ? What is its significance in case of ionic cryst...

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  4. Briefly describe the radius ratio rules.

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  5. Explain briefly the superconductivity.

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  6. Explain each of the following with a suitable example: Paramagnetism .

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  7. Explain each of the following with a suitable example: Piezoelectric e...

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  8. Explain the nature of the crystal defect produced when NaCl is doped w...

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  9. Prove that the actual volume occupied by a bcc arrangement is 68% only...

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  10. How much is the empty space present in a primitive unit cell? Also cal...

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  11. Addition of CdCl2 to the crystals of AgCl will produce Schottky defect...

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  12. Distinguish between crystal lattice and unit cell.

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  13. Give reasons Silicon doped with phosphorus, gives an n-type semiconduc...

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  14. Give reasons The electrical conductivity of a metal decreases with ris...

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  15. Account for the Silicon is an insulator but silicon doped with phospho...

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  16. Account for the Some of the very old glass objects appear slightly mil...

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  17. State the difference between Schottky and Frenkel defects. Which of th...

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  18. What are molecular crystals ? Name the forces which are holding the co...

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  19. What are metallic crystals ?

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  20. Describe briefly the structure of copper metal.

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