profile-img
Debanjana adhikari Asked a Question
May 19, 2020 10:45 ampts 30 pts
Consider X-ray diffraction from a crystal with a face-centered-cubic (fec) lattice. The lattice plane for which there is NO diffraction peak is (a) (2, 1,2) (b)(1, 1, 1) (c)2,0,0) (d) 3, 1, 1)
  • 1 Answer(s)
  • 0 Likes
  • 4 Comments
  • Shares
  • Dhairya sharma
    ans is a see attached. for all hkl should be even or odd.
    • cropped8024586927685920903.jpg
    Likes(0) Reply(0)
  • Abhishek singh thankyou
    The plane will be present if all Miller Indices are odd or all the Miller Indices are even. But if you have a mixture of odd and even,then the plane will be absent. So option A is ...
    Show more
    • cropped2424600344781334631.jpg
    Likes(1) Reply(1)
    Abhishek singh
    ask doubts if any
  • Ruby negi
    option b contains odd , option c contain only even and same option d contains odd.. so option a is correct for this mixed odd even , fcc shows no peak..
    Likes(2) Reply(0)
  • Ruby negi
    option a is correct as fcc show peaks for either odd or even.. not for mixed even odd plane .
    Likes(2) Reply(0)
Head Office :
MPA 44, 2nd floor, Rangbari Main Road,
Mahaveer Nagar II, Kota (Raj.) – 324005

Corporate Office:
212, F-1, 2nd Floor, Evershine Tower,
Amrapali Marg,
Vaishali Nagar, Jaipur (Raj.) – 302021

Mail: info@eduncle.com
All Rights Reserved © Eduncle.com