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Science / The Human Eye and The Colourful World

Science / The Human Eye and The Colourful World

The human eye is one of the most valuable and sensitive sense organs. It enables us to see the wonderful world and colours around us. On closing our eyes, we can identify objects to some extent by their smell, taste, sound they make or by touch. It is, however, impossible to identify colours while closing the eyes. Thus, of all the sense organs, the human eye is the most significant one as it enables us to see the beautiful, colourful world around us.

Understand the inner parts and working of human eye. Learn about different defects:

  1. Myopia - It is a defect of vision in which a person can see nearby objects clearly but cannot see distant objects clearly.
  2. Hypermetropia - It is a defect of vision in which a person can see distant objects clearly but cannot see nearby objects clearly.
  3. Presbyopia - It is a special case of hypermetropia due to weakening of cilliary muscles.

White light consists of seven colours. The splitting of white light into its constituent colours is called Dispersion of light. Understand why dispersion occurs and why rainbow is formed?
Learn why stars twinkle but planets do not, why the sky appears blue, why sun can be seen 2 minutes before actual sunrise. Understand the phenomenon behind all such effects in the real world.

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Exercises
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  • The Human eye and the colourful world - SmartTest

    A SmartTest on The Human eye and the colorful world

    • Accessed by: 311 Students
    • Average Time: 00:02:46
    • Average Score: 54.02
    • Questions: 49
    • Review of Light – Reflection And Refraction
    • Introduction to The Human Eye and The Colourful World
    • The Human Eye
    • Defects Of Vision And Their Correction
    • Refraction Of Light Through A Prism
    • Dispersion Of White Light By A Glass Prism
    • Atmospheric Refraction
    • Scattering Of Light
    • Review of The Human Eye and The Colourful World
    • Rainbow formation
  • Scattering of Light

    Learnhive Lesson on Scattering of Light

    Rainbow Formation

    Learnhive Lesson on Rainbow Formation

    Prism

    Learnhive Lesson on Prism

    Power of Accommodation of a Human Eye

    Learnhive Lesson on Power of Accommodation of a Human Eye

    Human eye

    Learnhive Lesson on Human eye

    Dispersion of Light

    Learnhive Lesson on Dispersion of Light

    Defects of Vision

    Learnhive Lesson on Defects of Vision

    Cause of Dispersion

    Learnhive Lesson on Cause of Dispersion

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