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A certain element crystallises in a bcc ...

A certain element crystallises in a bcc lattice of unit cell edge length `27Å.` If the same element under the same conditions crystallises in the fcc lattice, the edge length of the unit cell in `Å` will - (Round off to the Nearest Integer).
[Assume each lattice point has a single atom]
[Assume `sqrt3 =1.73, sqrt2=1.41]`

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The correct Answer is:
33
Properties of ionic solid
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