Authors
Dr.Prakash Dubey, Head, Department of Physics, Janta P.G. College, Bakewar, Etawah, Affiliated with CSJM University, Kanpur, Uttar Pradesh, India.
Dr.Om Prakash Gupta, Assistant Professor, Department of Physics, D.B.S. (P.G.) College, Kanpur, Uttar Pradesh, India.
Dr.Rajendra Kumar Mishra, Assistant Professor, Department of Physics, D.B.S. (P.G.) College, Kanpur, Uttar Pradesh, India.