Dr. Amba Prasad 1. NANOTECHNOLOGY IN PHYSICS WORLD: AN OVERVIEW. ACCENT JOURNAL OF ECONOMICS ECOLOGY & ENGINEERING ISSN: 2456-1037 IF:8.20, ELJIF: 6.194(10/2018), Peer Reviewed and Refereed Journal, UGC APPROVED NO. 48767. 6, 8 (1), 157-162.