/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: ArunKumar1333 https://cdn.slidesharecdn.com/profile-photo-ArunKumar1333-48x48.jpg?cb=1523532066 Graduated from St. Xavier's College, Ranchi, M.Sc. in Physics from BHU, Varanasi.Joined the University Department of Physics, Ranchi University after doing M.Sc. Currently, working as an Associate Professor in the University Department of Physics, Ranchi University, Ranchi. Life Memeber, Indian Association of Physics Teachers (IAPT); Fellow, Institution of Electronics & Telecommunication Engineers (IETE); Listed in `Reference Asia: Asia's Who's Who of Men & Women of achievement; Authoured the following books: 1. Number Systems, Published by LAP Lambert Academic Publishing, Germany. 2. Introduction to solid State Physics, Published by PHI Learning Pvt. Ltd., New Delhi. 3. Basic Electronic