profile-img
Imdadul Haque posted an Question
October 05, 2020 • 17:59 pm 30 points
  • IIT JAM
  • Chemistry (CY)

(b) the first order reflection of a beam of xrays from 100 planes of nacl occurs at an angle of 6°30'. calculate the wavelength of the x-ray. what would be the

(b) The first order reflection of a beam of Xrays from 100 planes of NaCl occurs at an angle of 6°30'. Calculate the wavelength of the X-ray. What would be the angle of reflection if X-rays of 1:54A were used. 4 What is radius ratio ? How does radius ratio help in determining the structure of ionic solids and co-ordination number of ions ? Explain. 3 (d) An element crystallizes in a body centered cubic structure with a cell edge of 288 pm. The density of the element is 7-2gcm. How many atoms are prescnt in 208g of the element?

1 Answer(s) Answer Now
  • 0 Likes
  • 4 Comments
  • 0 Shares
whatsapp-btn

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