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In a close-packed body-centred cubic lattice of potassium, the CORRECT relation between the atomic radius (r) of potassium and the edge-length (a) of the cube is ______ -

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Question

In a close-packed body-centred cubic lattice of potassium, the CORRECT relation between the atomic radius (r) of potassium and the edge-length (a) of the cube is ______

Options

  • r = `a/sqrt2`

  • r = `a/sqrt3`

  • r = `sqrt3/2 a`

  • r = `sqrt3/4 a`

MCQ
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Solution

In a close-packed body-centred cubic lattice of potassium, the CORRECT relation between the atomic radius (r) of potassium and the edge-length (a) of the cube is `underline(r = sqrt3/4a)`.

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