30 points
>
>
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)
- IIT JAM
- Geology (GG)
1. which one of the following defines a hexagonal dipyramid? (a) a vertical six fold axis of symmetry (b) a horizontal mirror plane (c) six vertical mirror plan
1. Which one of the following defines a hexagonal dipyramid? (A) A vertical six fold axis of symmetry (B) A horizontal mirror plane (C) Six vertical mirror planes at an angle of 30° with each other (D) A mirror plane that is perpendicular to the vertical six fold axis of symmetry 2. If (326) is the Miller Index of a crystal face. then the value ofx in the corresponding Weiss Parameter of the same face, xa: yb: zc is 3. The retardation of a uniaxial negative mineral of thickness 0.03 mm is 5160 nm in its principal section of indicatrix. If the refractive index corresponding to the E-ray is 1.486. the value of the refractive index (correct to three decimal places) of the O-ray is _-- 4. If a crystal contains 5 faces and 8 edges., the number of vertices in the crystal is_
2 Answer(s)
Answer Now
- 1 Likes
- 2 Comments
- 0 Shares
Do You Want Better RANK in Your Exam?
Start Your Preparations with Eduncle’s FREE Study Material
- Updated Syllabus, Paper Pattern & Full Exam Details
- Sample Theory of Most Important Topic
- Model Test Paper with Detailed Solutions
- Last 5 Years Question Papers & Answers
Sign Up to Download FREE Study Material Worth Rs. 500/-
Sajan sarthak Best Answer
1.For the hexagonal pyramid 4 the option is the correct answer. 2.X=2 3. refractive index of Oray is 1.314 4.5 vertices