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 emailscienceaplus@gmail.com Attributions