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