Physics and animation's video: Refraction of Light for teaching and presenting to students

reflection and refraction of light What is refraction.?.. How lenses works ? Did light moves in straight line ? Or it may bends ? When it will bends .. ? Watch this easy simple !! Newton's story of falling apple https://youtu.be/6E2ERjzlWd8 . MORE VIDEOS....... 1. TOROID MAGNETIC FIELD animation and explanation https://youtu.be/tflTCzALJ64 2. four stroke petrol engine link https://youtu.be/vdOlDwDVCAg 3. TRANSFORMER animation and explanation https://youtu.be/87-Bhqb36WA 4. CYCLOTRON https://youtu.be/H5goZ7DABPM 5. MOVING COIL Galvanometer working animation https://youtu.be/oq5xAvNEIns 6. beautiful magnetic field lines of solenoid https://youtu.be/8pKLYtQVs_Y 7. EDDY CURRENT https://youtu.be/as-6so9yEms 8. capacitance infinite capacitor https://youtu.be/Ym0IfUSlIrc 9. 2 stroke petrol engine link https://youtu.be/XKcRf2R5h4o playlist - 1 physics easy through animation: https://www.youtube.com/playlist?list=PLWoJahbbSUBs5SYPTv4DIfbaxqhMHtlfo playlist - 2 Moving charge and magnetism: https://www.youtube.com/playlist?list=PLWoJahbbSUBsfKWLAolknfWFJKAYPB2W- playlist - 3 Charging of conductor and capacitance: https://www.youtube.com/playlist?list=PLWoJahbbSUBu5yG8_mS0xugczwjM-0ugZ playlist - 4 Thermodynamics and thermal engineering: https://www.youtube.com/playlist?list=PLWoJahbbSUBv39fQrEJLeXudWUmzh6fAV playlist 4 microsoft powerpoint tips and trics: https://www.youtube.com/playlist?list=PLWoJahbbSUBsUTVByTvNlSE5yGE1DgCvS