Pedagogy of Physical Science (Part II) - Optics, Optics, Science, X std Science Samacheerkalvi Science, II year B.Ed., Pedagogy, Physics,

1. P E D A G O G Y O F P H Y S I C A L
S C I E N C E – PA R T I I
B Y
D r . I . U M A M A H E S W A R I
P r i n c i p a l
P e n i e l R u r a l C o l l e g e o f E d u c a t i o n ,
V e m p a r a l i , D i n d i g u l D i s t r i c t
i u m a _ m a h e s w a r i @ y a h o o . c o . i n

2. STD X