Human Eye and the Colorful World Class 10 Science One Shot | NCERT Chapter 11 

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?

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Man where is power of accomidation

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Ma’am info given by u about presbyopia is incorrect It occurs due to aging affect In this type of eye defect both Nearpoint and far point is changed Corrected by bifocal lens

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mam but in presbyopia bi-focal length is used

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Think if our eyes are fully in involuntary action

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Bhai logo mana na kuch be nhe pda thaa eye kha bara ma mana bhot teacher kha pass pda lakin kuch nhe smaj aaya such ma mana iska pass and muja smaj aaya love u maaan dil say shukriya ❤️

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In this chapter we get the answers of the questions that we used ask our parents in childhood.

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Mam, hamari mam neh kha thaa kih presbyopia ko correct krne k lie bi-focal lens use hota hai, jisme upar ka part of lens concave hota h our niche ka part of lens ka convex hota hai.

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