The Human Eye and the Colorful World — Important Questions
Gujarat Board · Class 10 · Science
45 important questions from The Human Eye and the Colorful World for Gujarat Board Class 10 Science, with answers. Written for the board exams 2027.
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Important Questions from The Human Eye and the Colorful World
The splitting of white light into its component colors is called:
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Dispersion
Dispersion is the splitting of white light into its component colors when it passes through a prism. Different colors bend at different angles due to different refractive indices.
Which of the following are parts of the human eye that help in vision? (Select all correct answers)
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Cornea, Retina, Iris, Ciliary muscles
The cornea allows light to enter, the iris controls light amount, ciliary muscles change lens shape, and the retina contains light-sensitive cells. The eardrum is part of the ear, not the eye.
The sequence of colors in the spectrum of white light is remembered by the acronym:
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VIBGYOR
VIBGYOR stands for Violet, Indigo, Blue, Green, Yellow, Orange, Red - the sequence of colors in the spectrum of white light from violet (most bent) to red (least bent).
Why does the sky appear blue?
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Blue light is scattered more by air molecules
The sky appears blue because air molecules and fine particles scatter blue light (shorter wavelength) more than other colors. This scattered blue light reaches our eyes from all directions.
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