TY  - BOOK
AU  - Arora, C. L.
TI  - B.Sc. practical physics
SN  - 81-219-0909-0
U1  - 530 
PY  - 2011///
CY  - New Delhi
PB  - S. Chand
KW  - Light
KW  - Physics
KW  - Sound
ER  -