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5 questions
MATCH THE COLUMN A WITH COLUMN B
Allows the light | Cornea | ||
Light sensitive screen | Iris | ||
Adjust the focal length | Retina | ||
Controls the size of pupil | Pupil | ||
Controls the amount of light | Ciliary muscles |
MATCH THE COLUMN A WITH COLUMN B
Myopia | Concave lens | ||
Hypermetropia | Convex lens | ||
Presbiopia | Bifocal lens | ||
Astigmatism | Cylindrical lens |
Match the following
Longer wavelength | Twinkling of stars | ||
Scattering of sunlight | Rainbow | ||
Dispersion | Blue colour of the sky | ||
Atmospheric refraction | Danger signals are red |
Match the following
Deviated most | Red | ||
Scattered least | Violet | ||
Deviated least | Blue |
Match the following
Cones and rods | Retina | ||
Crystaline double convex lens | Blind Spot | ||
Coloured pigments | Eye lens | ||
Does not contain cones and rods | Iris | ||
Flexible | Ciliary muscle |
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