Sangal, S. K. <br/><br/>
Optics and electricity-1 :  for Meerut University B.Sc. III semester students (questions with answers systematically arranged) / 
S. K. Sangal and V. Kumar 
 - Meerut :  Pragati Prakashan,  1972 
 - viii, 88 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label> Rs. 8.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optics<br/>Electricity
<br/><br/><label>Dewey Class. No.: </label>535