Quiz on The Human Eye and the Colourful World
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Preview questions
1. What is the function of the cornea in the human eye?
To focus light onto the retina · To protect the eye from dust · To control the amount of light entering · To convert light into electrical signals
2. Which part of the eye is responsible for adjusting the focal length?
Iris · Lens · Cornea · Retina
3. What is the main reason for the formation of a rainbow?
Refraction of light · Reflection of light · Diffraction of light · Absorption of light
4. Which color has the longest wavelength in the visible spectrum?
Red · Green · Blue · Violet
5. What is the role of the retina in the eye?
To protect the eye · To detect light and color · To control pupil size · To focus images
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