Affiliation: | 1. Department of Physics, Government J. Yoganandam Chhattisgarh College, Raipur, India;2. Department of Applied Physics, Disha Institute of Management and Technology, Raipur, India;3. School of Studies in Physics and Astrophysics, Pt. Ravishankar Shukla University, Raipur, India;4. Department of Applied Physics, Raipur Institute of Technology, Raipur, India |