[1] Dayananda Sagar Coll Engn, Dept Phys, Bangalore 560078, India
[2] King Khalid Univ, Dept Ind Engn, Abha 62529, Saudi Arabia
[3] King Khalid Univ, Fac Sci, Dept Phys, Abha 62529, Saudi Arabia
[4] Govt First Grade Coll Women, Dept Phys, Dharwad 580008, Karnataka, India
[5] RV Inst Technol & Management, Dept Phys, Bangalore 560076, India