Arora,G.D. <br/><br/>
Problems Optics and Acoutics   

 - 1st /   2001. 
 - Delhi:  Sarup & Sons.  2001. 
 - 198p:  23cm. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Physics, Light &infrared &Ultraviolet phenomena. 
<br/><br/><label>Dewey Class. No.: </label>535.2