​Human Eye and The Colourful World | CBSE | Class 10 | One Shot | Excel Career Institute

Why is the sky blue? Why do stars twinkle? And how exactly does the human eye see the world? 🌍👀

Welcome to Excel Career Institute! 🎓 In this video, we cover the complete explanation of Class 10 Science Chapter 10 - The Human Eye and the Colourful World. This lecture is designed to help you master the concepts of optics and score full marks in your CBSE 2025 Board Exams.

​📝 What you will learn in this video:
We break down complex physics concepts into simple, easy-to-understand segments:
​👁️ The Human Eye: Detailed anatomy (Cornea, Iris, Pupil, Retina) and how images are formed.
​👓 Power of Accommodation: How the eye adjusts focus for near and far objects.
​🩺 Defects of Vision: Myopia (Near-sightedness), Hypermetropia (Far-sightedness), and Presbyopia—including how to correct them with lenses.
​🌈 Refraction through a Prism: Understanding the Angle of Deviation and Dispersion of white light.
​✨ Atmospheric Refraction: The science behind twinkling stars and early sunrise/delayed sunset.
​☁️ Scattering of Light: The Tyndall Effect, why the clear sky is blue, and why the sun looks red at sunrise and sunset.
​💡 Key Highlights:
​Exam-Oriented Approach: Focused on topics frequently asked in CBSE Boards.
​Diagrams & Visuals: Clear ray diagrams for defects of vision and prism refraction.
​**Real-Life Examples:**Connecting physics to natural phenomena you see every day.
​💡 Important For:
​Class 10 CBSE Board Exams 2025
​State Board Science Students
​Foundation for NEET/JEE Physics
​⏳ Key Concepts Timeline:
0:00 - Introduction
0:40 - Structure & Working of the Human Eye
08:02 - Power of Accommodation
11:40 - Defects of Vision (Myopia, Hypermetropia, Presbyopia)
24:10 - Refraction through a Prism
31:14 - Atmospheric Refraction (Twinkling Stars)
34:52 - Scattering of Light (Tyndall Effect)


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