1. Department of Physics, Faculty of Applied Science, Thamar University, Dhamar87246, Yemen
2. Department of Physics, Faculty of Science, Sana’a University, Sanaa12544, Yemen
3. Department of Physics, Faculty of Education & Sciences, Al-Baydha University, Al-Baydha, Yemen
4. Department of Physics, Faculty of Science, Al-Azhar University, Cairo, Egypt