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What is a ferromagnetic substance? Give ...

What is a ferromagnetic substance? Give an example.

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CHHAYA PUBLICATION-SOLID STATE-EXERCISE
  1. What is impurity or extrinsic semiconductor? Give an example.

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  2. What is the coordination number of a particle in an hcp or a ccp struc...

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  3. What is a ferromagnetic substance? Give an example.

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  4. What is a ferrimagnetic substance? Give an example.

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  5. The constiuent particle in solid H(2) and the attractive forces holdi...

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  6. Silicon is a solid.

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  7. Packing efficiency of body-centred cubic unit cell is and that of fac...

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  8. If equal number of cations and anions are missing from an ionic crysta...

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  9. Number of Bravais lattices in cubic crystal system is .

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  10. substance can be converted into a permanent magnetic substance.

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  11. If pure Si is doped with a trace amount of As, semiconductor is forme...

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  12. A unit cell having a=bnecandalpha=beta=gamma=90^(@) belongs to system...

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  13. The unit cell in a three-dimensional close-packed structure with sequa...

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  14. In the crystal lattice of non-stoichiometric NaCl, the anion vacancies...

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  15. Number of particles in the unit cells of ccp and hcp structures are a...

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  16. Amount of empty space in ccp structure is %.

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  17. Crystals are classified into crystal system.

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  18. Number of Bravais lattices are .

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  19. A hcp structure contains N atoms. Number of tetrahedral and octahedral...

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  20. Number of octahedral holes per particle in a fcc lattice (is/are)

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