O/L Science Sinhala | Grade 11 Science Unit 5 Part 1 | 11 විද්‍යාව 5 පාඩම ප්‍රකාශ විද්‍යාව 1 කොටස

🌍 Online Revision එකට සම්බන්ධ වන්න. https://drive.google.com/file/d/1n22w... send a WhatsApp message to 0778824534 👉 Get the PDF notes and support the channel (සටහන් ලබා ගැනීමට පිවිසෙන්න)   / scienceaplus   💜💙 Follow on Instagram @scienceaplus   / scienceaplus   👍 Like on Facebook   / scienceaplus   Learn O/L Science in Sinhala medium with this step by step video. Start it simple and easily. Lessons are planned , designed and carried out by the government school teacher, Anuradhika Lakmali. (Dip in Ed. BSc.) Grade 11 Unit 5 of Science Syllabus. Follow the lessons with easy to understand visual content. Sinhala medium science lessons for o/l exam in Sri Lanka. Subscribe our channel for science short notes , science for grade 10 , science for grade 11 , o/l exam 2020 science , science lessons in sinhala. This lesson is on Optics. (Mirrors and lenses , refraction , reflection, concave and convex mirrors , concave and convex lenses , uttala kacha , uttala darpana, awathala kacha , awathala darpana , poorna abhyanthara parawarthanaya , Total Internal Reflection and Critical Angle , refractive index, warthana ankaya) -------------------------------------------------------------------------------------------------------------------- Copyright Information Images , Videos and Music used in video are CC0 licensed clips. See the attribution links below. For any queries please contact. Disclaimer This video is designed for educational purposes only. Contact [email protected] Attributions