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For a cubiccrystal, the face diagonal is...

For a cubiccrystal, the face diagonal is `3.5 Å`. Calculate the face length.

Text Solution

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Face diagonal `= sqrt(a^(2) + a^(2)) = sqrt2a`
Face length `(a) = ("Face diagonal")/(sqrt(2)) = (3.50 Å)/(sqrt(2)) = (3.50 Å)/(1.414)`
`= 2.47 Å`
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