TY - BOOK AU - Geekiyanage, P. TI - Physics : Oscillations & Waves Light - Part 4 (New Syllabus) T2 - Unit - 3 SN - 9789555449151 U1 - B3055 PY - 2022/// CY - Panadura PB - Author KW - PHYSICS KW - GEOMETRICAL OPTICS KW - REFRACTION KW - LENSES KW - HUMAN EYE KW - VISION KW - PRISMS KW - TELESCOPE ER -