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प्रश्न
The correct option for the number of body-centered unit cells in all 14 types of Bravais lattice unit cells is ______.
पर्याय
3
7
5
2
MCQ
रिकाम्या जागा भरा
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उत्तर
The correct option for the number of body-centred unit cells in all 14 types of Bravais lattice unit cells is 3.
Explanation:
The 14 Bravais lattices describe all possible 3D lattice types.
Body-centred unit cells have lattice points at 8 corners + 1 at the centre of the cell.
Only 3 crystal systems among the 14 have a body-centred (I) lattice type:
- Cubic body-centred (bcc)
- Tetragonal body-centred
- Orthorhombic body-centred
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