Author Names : Faboyede, A.O.1 and Folawewo, A.2 1 Department of Biological Sciences, Crawford University, Igbesa 2 Department of Physical and Applied Sciences, Crawford University, Igbesa, Nigeria

Author Names : F.H Alkallas Laser lab, Physics Department, princess Nora University, Riyadh, Saudi Arabia.

Author Names : Dipali Boraha, Mrinal K Baruahb*, Partha P Saikiab, Mrinmayee Baruaa and Ranjit Singhac a Department of Physics, DCB Girls’ College, Jorhat – 785001, Assam, India b Department of Chemistry, NNS College, Titabar – 785630, Assam, India c Department of Physics, Assam University, Diphu Campus, D

Author Names : Amako Fauzi A. Mbabazi A. Semakula E. and Kazibwe F. 1. Bishop Stuart University P.O.Box 9, Mbarara-Uganda

Author Names : Kusam Devgan1 1Department of Physics, S.R. Government College for Women, Amritsar, Pumjab, India

Author Names : Shakshi Chauhan Assistant Professor.C.R.Kisan College Jind

Author Names : ShakshiChauhan Assistant Professor, C.R.K.CollegeJind