Timestamps: 0:00 Introduction 0:50 Components of Eye 8:07 Image formation by Eye 11:39 Least distance of distant vision 13:46 Defects of Vision 14:26 Myopia 16:53 Hypermetropia 17:50 Astigmatism 18:56 Presbyopia 20:36 Prism 21:43 Terminologies:Prism 24:57 Dispersion by Prism 25:37 What causes dispersion by Prism? 27:33 Rainbow 29:18 Primary Rainbow Formation 33:10 Secondary Rainbow formation 34:21 Why do stars twinkle? 36:00 Advanced Sunrise & Delayed Sunset 37:06 Scattering of Light 38:36 Colloidal Particles 40:30 Colloids:Tyndall Effect 41:26 Tyndall Effect 42:11 Why does the sky appear blue? LearnoHub.com (formerly called ExamFear Education) is a Free Education platform with more than 6000 videos on Physics, Chemistry, Maths, Biology, English, Science experiments, tips &tricks and motivational videos for Classes 6 to 12. Learn for Free! Website: http://www.learnohub.com Facebook: https://bit.ly/LearnoHubFB Instagram: https://bit.ly/LearnoHubInsta Join our Telegram Group: LearnoHub - 12: https://t.me/LearnoHub12 Join our Telegram Group: LearnoHub - 11:https://t.me/LearnoHub11 Join our Telegram Group: LearnoHub - 6 to 10:https://bit.ly/Class6to10TelegramGroup About the Founder: Roshni Mukherjee, the Founder-Educator at LearnoHub has been building this free learning platform since 2011. She has been recognized as one of the 100 Women Achievers of India by the Ministry of Women & Child Development and felicitated by the President of India in 2016. Roshni has been invited by Google to speak at Global Education Symposium 2017 held at Google Headquarters, California. Limca Book of Records also recognized our work. Watch Roshni's Tedx Talk to know more about her journey: https://youtu.be/v2sW_oOf6TY #LearnoHubScience #SabkoSamajhAayega #FREEhaiParBESThai #CBSEClass10Science #Class10Physics Join us and let us together build this Free Learning Platform! We will surely ensure that you enjoy the real learning with us. Copyright © All rights reserved. LearnoHub | ExamFear Education"