G 10 Human Eye and colourful world

MATCH THE COLUMN A WITH COLUMN B

• Adjust the focal length

• Iris

• Allows the light

• Pupil

• Light sensitive screen

• Cornea

• Controls the amount of light

• Retina

• Controls the size of pupil

• Ciliary muscles

MATCH THE COLUMN A WITH COLUMN B

• Hypermetropia

• Convex lens

• Astigmatism

• Cylindrical lens

• Presbiopia

• Concave lens

• Myopia

• Bifocal lens

Match the following

• Atmospheric refraction

• Danger signals are red

• Dispersion

• Twinkling of stars

• Scattering of sunlight

• Rainbow

• Longer wavelength

• Blue colour of the sky

Match the following

• Deviated most

• Violet

• Scattered least

• Blue

• Deviated least

• Red

Match the following

• Does not contain cones and rods

• Retina

• Cones and rods

• Iris

• Coloured pigments

• Blind Spot

• Crystaline double convex lens

• Ciliary muscle

• Flexible

• Eye lens