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What are paramagnetism and ferromagnetis...

What are paramagnetism and ferromagnetism ? What type of substances would make batter permanent magnets, ferromagnetic or ferrimagnetic?

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What are paramagnetisma and ferromagnetism ? What type of substances would make batter permanent magnets, ferromagnetic or ferrimagnetic?

What type of substances would make better permanent magnets, ferromagnetic or ferrimagnetic? Justify your answer.

Define ferromagnetism and ferrimagnetism .

MODERN PUBLICATION-SOLID STATE-REVISION EXERCISES (SHORT ANSWER QUESTIONS)
  1. Explain the following : (i) Why is Frenkel defect not found in pure...

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  2. why does the electrical conductivity of semiconductors increse w...

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  3. What are paramagnetism and ferromagnetism ? What type of substances wo...

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  4. How does antiferromagnetism differ from ferromagnetism in terms of mag...

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  5. Explain the following terms : (i) Schottky defects (ii) Frenkel d...

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  6. IMPERFECTIONS IN SOLIDS

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  7. (a) Define ferromagnetism and ferrimagnetism. (b) Differentiate betw...

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  8. why does the electrical conductivity of semiconductors increse w...

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  9. (i) What is a semiconductor ? Mention two main types of semiconductors...

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  10. (a) Give two differences between ferromagnetic and anti-ferromagnetic ...

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  11. (a) NaCl has fcc structure. Calculate the number of NaCl units in a un...

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  12. What type of semi-conductor is produced when silicon is doped with bor...

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  13. Examine the given defective crystal {:(A^(+), B^(-),A^(+),B^(-),A^(+...

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  14. Explain the following (i) F - centres (ii)Doping .

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  15. Write two points of distinction between crystalline and amorphous soli...

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  16. Distinguish between crystal lattice and unit cell.

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  17. (a) Briefly discuss Schottky defect and give examples. (b) Calculate...

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  18. Define ferromagnetism and ferrimagnetism .

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  19. Unit cells can be divided into two categories, primitive and centred u...

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  20. Calculate the percentage of packing efficiency in simple cubic unit ce...

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