Physics part-1 :  Textbook for class XII / 
NCERT 
 - New Delhi:  National Council of Educational Research and Training  2006. 
 - xv, 307 pages:  27x20 cm 
<br/><br/> Gifted by Prof. Prabha Chawla (Retd. Director Professor IGNOU) 
<br/><br/><label>ISBN: </label>8174506314