Verified Solution • 2025–26 Session moderate

QAIPMT-2009-Ph-2166: NEET 2009 Physics - Class 12 AIPMT-2009-Ph-2166 Solution: Sodium has body centred packing. Distance between two nearest…

Sodium has body centred packing. Distance between two nearest atoms is 3.7 A˚\text{\AA}. The lattice parameter is

Multiple Choice Options

  • A 4.3 A˚4.3\ \text{\AA}
  • B 3.0 A˚3.0\ \text{\AA}
  • C 8.6 A˚8.6\ \text{\AA}
  • D 6.8 A˚6.8\ \text{\AA}

Step-by-Step Verified Solution

Distance between nearest atoms in body centred cubic lattice (bcc), d = 3 2 a Given d = 3.7 A _ _ a = 3.7 _ 2 3 = 4.3 A _

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