TY  - BOOK
AU  - Sangal,S.K.
AU  - Kumar,V.
TI  - Optics and electricity-1: for Meerut University B.Sc. III semester students (questions with answers systematically arranged) 
U1  - 535 
PY  - 1972///
CY  - Meerut
PB  - Pragati Prakashan
KW  - Optics
KW  - Electricity
ER  -