G 10 Human Eye and colourful world

MATCH THE COLUMN A WITH COLUMN B

• Light sensitive screen

• Ciliary muscles

• Allows the light

• Iris

• Adjust the focal length

• Cornea

• Controls the amount of light

• Pupil

• Controls the size of pupil

• Retina

MATCH THE COLUMN A WITH COLUMN B

• Hypermetropia

• Concave lens

• Myopia

• Cylindrical lens

• Astigmatism

• Bifocal lens

• Presbiopia

• Convex lens

Match the following

• Atmospheric refraction

• Blue colour of the sky

• Scattering of sunlight

• Rainbow

• Dispersion

• Twinkling of stars

• Longer wavelength

• Danger signals are red

Match the following

• Deviated least

• Red

• Deviated most

• Violet

• Scattered least

• Blue

Match the following

• Flexible

• Blind Spot

• Crystaline double convex lens

• Eye lens

• Does not contain cones and rods

• Retina

• Cones and rods

• Iris

• Coloured pigments

• Ciliary muscle