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VOLUME 4,Issue 9,September,2017


Author Names : *Maina, M. and **Medugu, D. W. *Department of Science Laboratory Technology, Ramat Polytechnic, Maiduguri, Borno State, Nigeria. *Department of Pure and Applied Physics, Adamawa State University, Mubi, Adamawa State, Nigeria.

Author Names : Sangam Kumar (P. I., U. G. C. Project) P. G. Department of Physics, L. S. College, B. R. A. Bihar University, Muzaffarpur - 842001, Bihar, India.