000 00787 a2200265 4500
082 _a530
_bPHY
090 _c20124
_d31204
100 _aGunasinghe, R. M.
245 _aPhysics
_bgeometrical optics
_b block 1
260 _aNugegoda
_bThe open university of Sri Lanka
_c1986
_g1986
300 _a[v],117p.
_c28cm
440 _aFoundation science leading to bachelor of science degree programme
650 _aPHYSICS
700 _aWikcramasinghe, I. R.
700 _aLiyanage, L. S. G.
700 _aTennakoone, M. M. S. G. K.
700 _aSumanasekara, G. U.
700 _aHettiarachchi, R. D.
700 _aAbeydeera, D.R.
700 _aVithanage, J. D.
700 _aSirikanthi, W. D. M.
700 _aAlahakoone, M. D.P
700 _aSumanawathie, P. D.
942 _cL
999 _c47784
_d47784