Authors
Md. I. Zahid
Presidency College, Department of Physics, Chennai, India
A. Malarkodi
Arul Anandar College, Department of Physics, Madurai, India
Sreenarayanan Meera
Women’s Christian College, Post Graduate Department of Physics, Chennai, India
K. Meera
Women’s Christian College, Post Graduate Department of Physics, Chennai, India
K.S. Joseph Wilson
Arul Anandar College, Department of Physics, Madurai, India