Someketa, M.A.Nwokolo, N.L.2019-11-182019-11-182017-11http://hdl.handle.net/20.500.11837/1594Waves, Vibrations and Optics: PHY 122, Degree Examinations November 2017en-USWaves, Vibrations and Optics: PHY 122, Degree Examinations November 2017Learning Object