Munaf Qasim Jaber
Department of Physics, college of education for pure science university of Basrah, Basrah, Iraq
Abdul. R. H. Subber
Department of Physics, college of education for pure science university of Basrah, Basrah, Iraq
Noori H.N. Al-Hashimi
Department of Physics, college of education for pure science university of Basrah, Basrah, Iraq