About the Authors

Viji niraimathi

Department of Physics, Dhirajlal Gandhi College of Technology, Salem, Tamilnadu, India

V. Aroulmoji

Centre for Research and Development, Mahendra Educational Institutions, Tiruchengode, Tamilnadu, India

G. Rajarajan

Centre for Research and Development, Mahendra Educational Institutions, Tiruchengode, Tamilnadu, India

Corresponding Author

Email: vijiniraimathi@yahoo.com