Verified Solution • 2025–26 Session moderate

QAIPMT-2008-Ph-2243: NEET 2008 Physics - Class 12 AIPMT-2008-Ph-2243 Solution: If the lattice parameter for a crystalline structure is \(3.6\…

If the lattice parameter for a crystalline structure is 3.6 A˚3.6\ \text{\AA}, then the atomic radius in fcc crystal is

Multiple Choice Options

  • A 2.92 A˚2.92\ \text{\AA}
  • B 1.27 A˚1.27\ \text{\AA}
  • C 1.81 A˚1.81\ \text{\AA}
  • D 2.10 A˚2.10\ \text{\AA}

Step-by-Step Verified Solution

The atomic radius in a f.c.c. crystal is = a 2 2 _ Atomic radius = 3.6 2 2 = 1.27 A _

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