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What type of substances exhibit antiferr...

What type of substances exhibit antiferromagnetism ?

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These are the subsatnces in which the magnetic moments due to unpaired electrons under the influence of external magnetic field mutually cancel out and their resultant magnetic moment is zero.
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DINESH PUBLICATION-SOLID STATE-QUESTION FROM BOARD EXAMINATION
  1. A compound formed by two elements M and N. Element N forms ccp and ato...

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  2. What is the total number of atoms per unit cell in a face centred cubi...

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  3. What type of substances exhibit antiferromagnetism ?

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  4. Why Frenkel defects are not found in pure alkali metal halides?

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  5. What types of allignments in crystals make them ferromagnetic ?

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  6. To get a n- type semiconductor from silicon , it should be doped...

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  7. Which point defect in crystals does not alter the density of the relev...

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  8. How do metallic and ionic substances differ in conducting electricity ...

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  9. What type of interactions hold together the molecules in a polar cryst...

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  10. Write a distinguishing feature of metallic solids.

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  11. What type of semiconductor results when highly purified silicon is dop...

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  12. Crystalline solids are anisotropc in nature. What does this statement ...

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  13. Distinguish between intrinsic and extrinsic semi-conductors on the bas...

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  14. What are semi-conductors ? Describe the two main types of semi- conduc...

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  15. KF has ccp structure. Calculate the radius of the unit cell if the edg...

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  16. Give reason : (a) Why is Frenkel defect found in AgCl ? (b) What i...

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  17. Classify each of the following as being n-type semi-conductor. Give re...

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  18. How many atoms constitute one unit cell of a face-centred cubic crysta...

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  19. What type of stoichiometric defect is shown by AgCl ?

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  20. What type of substances would make better permanent magnets, ferromagn...

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