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Volume occupied by one particle in a bcc or fcc unit cell from the unit cell volume

The same question, asked 2 times: 20 Apr 2025 S2*, 22 Apr 2025 S2. Every wording below, oldest first.

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  1. Question 1

    20 Apr 2025 S2

    52
    Calculate the volume occupied by a particle in bcc unit cell if the volume of unit cell is 8.2×10−23 cm38.2 \times 10^{-23}\ \text{cm}^3.

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  2. Question 2

    22 Apr 2025 S2

    57
    Calculate the volume occupied by a particle in fcc unit cell if volume of unit cell is 1.6×10−23 cm31.6 \times 10^{-23}\ \mathrm{cm^3}.

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