H. Mansour
1. Department of Physics, College of Science and Arts, Qassim University, Ar Rass, Saudi Arabia. 2.Physics Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Egypt.
Saudi Arabia

Department of Physics, College of Science and Arts, Qassim University, Ar Rass, Saudi Arabia.

Physics Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Egypt.

L. A. Najam
Physics Department, College of Sciences, Univ. of Mosul, Mosul, IRAQ.
Iraq

Physics Department, College of Sciences, Univ. of Mosul, Mosul, IRAQ.

S. A. Abd El-Azeem
1. Physics Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Egypt. 2. Physics Department, College of Science and Humanities in Al-Kharj, Prince Sattam bin AbdulAziz University, Al-Kharj 11942, Saudi Arabia.
Saudi Arabia

Physics Department, College of Science and Humanities in Al-Kharj, Prince Sattam bin AbdulAziz University, Al-Kharj 11942, Saudi Arabia

Physics Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Egypt.