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The edge lengths of the unit cells in te...

The edge lengths of the unit cells in terms of the radius of spheres constituting fcc, bcc and simple cubic unit cell respectively-

A

`2sqrt2r,(4r)/sqrt3,2r`

B

`(4r)/sqrt3,2sqrt2r,2r`

C

`2r,2sqrt2r,(4r)/sqrt3`

D

`2r,(4r)/sqrt3,2sqrt2r`

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The correct Answer is:
A
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CHHAYA PUBLICATION-SOLID STATE-SOLVED NCERT EXEMPLAR PROBLEMS
  1. Which of the following defects is also known as dislocation defect-

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  2. In the cubic close packing, the unit cell has-

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  3. The edge lengths of the unit cells in terms of the radius of spheres c...

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  4. Which of the following represents correct order of conductivity in sol...

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  5. Which is not true about the voids formed in three dimensional hexagona...

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  6. The value of magnetic moment is zero in the case of anti-ferromagnetic...

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  7. Which of the following statements are not true-

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  8. Which of the following are true about metals-

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  9. Under the influence of electric field, which of the following statemen...

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  10. Which of the following statements are true about semiconductors-

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  11. An excess of potassium ions makes KCl crystal appear violet or lilac i...

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  12. No. of tetrahedral voids per unit cell in NaCl crystal is-

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  13. Amorphous solid can also be called-

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  14. A perfect crystal of silicon is doped with some elements as given in t...

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  15. Which of the following statements are correct-

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  16. Which of the features are not shown by quartz glass-

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  17. Which cannot be regarded as molecular solid-

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  18. In which of the following arrangements octahedral voids are formed-

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  19. Frenkel defect is also known as-

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  20. Which of the following defects decrease the density-

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