Anukruti posted an Question
October 01, 2020 • 03:20 am 30 points
  • IIT JAM
  • Geology (GG)

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    Rahul kumar best-answer

    Answer: c) A-4, B-3, C-2, D-1 Tetragonal system always contains a 4 fold symmetry axis along c axis. Orthorhombic crystal system contains a 2 fold axis of symmetry. Cubic crystal system contains four axis of trigonal symmetry (diagonal axis of cubes). Trigonal division of hexagonal system contains one axis of trigonal symmetry.

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