/ @physicsmadeeasydrdivyaghildyal  

ENGINEERING PHYSICS for B.Tech First Year: Dr. A,P.J.Abdul Kalam Technical University, Lucknow
https://amzn.eu/d/1wP26j9
AKTU - ENERGY SCIENCE & ENGINEERING (BTech): BTech
https://amzn.eu/d/36wb8w8

Engineering physics for btech first year -