Tuesday, January 31, 2023

Dr. A.P.J. Abdul Kalam University BE IV SEM (CS/IT) Material Science [ES220T] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Bachelor of Engineering

Fourth Semester Main Examination, June-2021

Material Science [ES220T]

Branch: CS/IT

Time: 3:00 Hrs Max Marks 70

Note : 1. Attempt any five questions out of eight.

2. All question carry equal marks.

Q.1 (a) What do you mean by dipolar relaxation?

(b) Explain magnetic resonance in details.

Q.2 (a) Explain Bragg's Law in details.

(b) Write short note on Linde's rule and Joule's rule.

Q.3 (a) What do you mean by atomic structure? Also explain molecules

and general bonding principles.

(b) Explain spin magnetic moment in details.

Q.4 (a) Write a short note on orbital magnetic dipole movement and

angular momentum of simple atomic model.

(b) What is Curie-Weiss law? also explain spontaneous magnetization.

Q.5 (a) Explain high conductivity and high resistivity material.

(b) Explain atomic interpretation of Ohm's law of conductor

Q.6 (a) Explain n-type and p-type semiconductor in details.

(b) What do you mean by semiconductors? Explain chemical bonds in

Ge and Si.

Q.7 (a) What is photoconductivity and photo electronic cells?

(b) Explain conductors and also Write properties of superconductor.

Q.8 Write short note on :

(i) Bravais lattice (ii) Composite material.

Scanned Copies:

Share This
Previous Post
Next Post

B.E Civil Engineer Graduated from Government College of Engineering Tirunelveli in the year 2016. She has developed this website for the welfare of students community not only for students under Anna University Chennai, but for all universities located in India. That's why her website is named as www.IndianUniversityQuestionPapers.com . If you don't find any study materials that you are looking for, you may intimate her through contact page of this website to know her so that it will be useful for providing them as early as possible. You can also share your own study materials and it can be published in this website after verification and reviewing. Thank you!


Pen down your valuable important comments below

Search Everything Here