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In a bcc crystal what is the relationshi...

In a bcc crystal what is the relationship between atomic radius (r) and edge length (a) ?

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USHA PUBLICATION-SOLID STATE-EXERCISE
  1. What is meant by point defect in crystals ?

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  2. If 'a' is the edge length of the unit cell of a fcc crystal, then what...

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  3. In a bcc crystal what is the relationship between atomic radius (r) an...

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  4. What is the packing efficiency in a bcc arrangement of crystals ?

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  5. Classify the following solids based on intermolecular forces. sodium c...

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  6. Classify the solids on the basis of intermolecular force of attraction...

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  7. Give two difference between crystalline and amorphous solids.

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  8. Ionic solids conduct electricity in molten state but not in solid stat...

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  9. A solid has a cubic structure in which X atoms are located at corners ...

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  10. Lithium crystalises in bcc lattice. Find the number of unit cells in 1...

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  11. Distinguish between cubic and orthorhombic unit cells.

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  12. Find the packing efficiency in fcc arrangement.

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  13. How does Schottky defect arise ? In which type of ionic compounds does...

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  14. How does Frankel defect arise? Give example.

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  15. What is difference between p-type and n-type semiconductor?

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  16. How are point defects and line defects different?

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  17. Describe two types of point defects.

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  18. Write two features by which you can distinguish metallic solid from io...

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  19. The radius of Na^+ is 95 pm and Cl^- ion 181 pm. Find co-ordination nu...

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  20. Silver crystallises in fcc unit cell. The edge length of unit cell is ...

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