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The packing efficiency of a two-dimensio...

The packing efficiency of a two-dimensional square unit cell shown below is

A

0.3927

B

0.6802

C

0.7405

D

0.7854

Text Solution

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The correct Answer is:
D
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Packing efficiency of crystals

RESONANCE-SOLID STATE-Exercise -3 (Part-I)
  1. In a solid AB having the NaCl structure, A atom occupies the corners o...

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  2. A substance A(x)B(y) crystallizes in a face-centred cubic lattice in w...

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  3. Marbles of diameter 10mm each to be arranged on a flat surface so that...

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  4. A binary salt AB (formula weight = 6.023 Y amu, where Y is an arbitray...

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  5. In which of the following crystals, alternate tetrahedral voids are oc...

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  6. An element crystallizes in fcc lattice having edge length 400 pm Calcu...

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  7. For a unit cell edge length = 5 Å, the element is of atomic mass 75, h...

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  8. Match the crystal system/unit cells mentioned in Column I with their c...

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  9. In hexagonal systems of crystals, a frequently ecounted arrangement of...

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  10. In hexagonal systems of crystals, a frequently ecounted arrangement of...

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  11. In a hexaonal system system of cycstals, a frequently encountered arra...

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  12. The correct statement (s) regarding defects in solids is (are):

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  13. The packing efficiency of a two-dimensional square unit cell shown bel...

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  14. The number of hexagonal faces that are present in a truncated octahedr...

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  15. A compound M(p)X(q) has cubic close packing (ccp) arrangement of X. It...

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  16. The arrangement of X^(ɵ) ions around A^(o+) ion in solid AX is given i...

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  17. If the unit cell of a mineral has cubic close packed (ccp) array of ox...

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  18. The correct statement (s) for cubic close packed (ccp) three dimension...

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  19. A crystalline solid of a pure substance has a face-centred cubic struc...

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  20. Consider an ionic solid MX with NaCl structure. Construct a new struct...

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