PREPARED BY
RAJENDRAN M, M.Sc., B.Ed., C.C.A.,
P. G. ASSISTANT IN PHYSICS,
DEPARTMENT OF PHYSICS,
SRM HIGHER SECONDARY SCHOOL,
KAVERIYAMPOONDI,
THIRUVANNAMALAI DISTRICT.
PREPARED BY
RAJENDRAN M, M.Sc., B.Ed., C.C.A.,
P. G. ASSISTANT IN PHYSICS,
DEPARTMENT OF PHYSICS,
SRM HIGHER SECONDARY SCHOOL,
KAVERIYAMPOONDI,
THIRUVANNAMALAI DISTRICT.