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Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Vaibhav Singh posted an Question
June 13, 2021 • 18:34 pm
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30 points
30 points
- IIT JAM
- Geology (GG)
What is important for jam gg in the topic 32 crystal classes??each crystal system has several number of crystal classes,each have different symmetry content an
What is important for JAM GG in the topic 32 Crystal classes??Each crystal system has several number of crystal classes,each have different symmetry content and each crystal class has many forms like prism,dipyramid ,trisoctahedron,brachypinacoid ,etc...and many more..????WHAT IS NEEDED FOR JAM GG
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Mayank vedwal Vedwal![best-answer]()
For iit jam u should atleast know about all 32 classes, normal class of every crystal system and forms of that normal class. In jam papers u will find many questions from this part. Questions asked from this topic are either mcq or Nat..... And also remember HM symbols of these crystal classes
I am just going through it..aand I will ask you people..PLEASE tell how to remmeber or understand some logic of the descriptive name of the 32 point groups..like 4/m2/m2/m == DITETRAGONAL DIPYRAMIDAL CLASS. I am confused how to remember the descriptive names of ecah classes ..Although I know each point group is uniquely identified by its HM notation ,not by its name......But Qs are asked in JAM regarding this descriptive names..I will show you later.
If u are facing problem to remember these names then u can do what i did during my preparation.... Go to youtube and search for \u092D\u0942 gyaanam channel... Here u will find lectures which will help u, these lectures are delivered by my senior Piyush Srivastava who secured Air 1 in iit jam 2016 . I m attaching a link here please go through it ......https://youtu.be/3jW1BiSyNTU