Physics, asked by sonu806, 1 year ago

please solve the above question fast

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Answered by kushalankur09p5h135
1

Lets take the number of the unit cells is n.

so the  number  of Tetrahedral voids is equal to

 2n*25%  = 2n/4 = n/2.

So the required formula is An/2Bn or AB2

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