Anukruti posted an MCQ
October 02, 2020 • 00:51 am 30 points
  • IIT JAM
  • Geology (GG)

Three fold axis of rotational symmetry is present in

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    Sajan sarthak Best Answer

    hexagonal and cubic

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    yes sir i know bcoz option was given wrong.so i was confirming 😊

  • comment-profile-img>
    Rahul kumar best-answer

    Three fold axis of rotation is present in trigonal division of hexagonal system and cubic system (along the diagonal axis). Tetragonal system doesn't contain any three fold axis of rotation.

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    yes sir i was going for C.bcoz 6 bar=3/m in hexagonal and in cubic 3fold symmetry is there

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    answer was given b so i was confirming

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