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What are semiconductors? How electrical ...

What are semiconductors? How electrical conductivity of semiconductors vary with temperature? Give one example of intrinsic semiconductor.

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R G PUBLICATION-THE SOLID STATE-EXERCISE
  1. Aluminium crystallises as face-centered cubic lattice and it has a den...

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  2. Atoms of element X form hcp lattice and those of element Y form occupy...

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  3. What are semiconductors? How electrical conductivity of semiconductors...

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  4. What type of substance would make better permanent magnets, ferromagne...

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  5. Most crystals show good cleavage because their atoms ions or molecules...

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  6. The effective mode of packing of identical atoms in one layer is-

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  7. The available space occupied by spheres of equal size in three dimensi...

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  8. The tetrahedral viods formed by ccp arrangemnt of Cl ions in NaCl stru...

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  9. SiC is an example of.

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  10. In solids, the constituent particle are arranged in.

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  11. The interstitial hole is called tetrahedral because.

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  12. A compound formed by elements A and B crystallises in the cubic struct...

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  13. If the number of octahedral voids in N then the number of tetrahedral ...

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  14. When ZnCO3 is heated it becomes yellow. The phenomenon is due to.

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  15. Mention two important characteristics of solid.

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  16. Define the term amorphous solid.

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  17. Crystalline solids are 'anisotropic' comment.

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  18. Why is glass considered a super cooled liquid?

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

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  20. Which factors are responsible for conductivity of metal?

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