G 10 Human Eye and colourful world

MATCH THE COLUMN A WITH COLUMN B

• Controls the amount of light

• Iris

• Controls the size of pupil

• Cornea

• Allows the light

• Ciliary muscles

• Light sensitive screen

• Retina

• Adjust the focal length

• Pupil

MATCH THE COLUMN A WITH COLUMN B

• Astigmatism

• Cylindrical lens

• Presbiopia

• Convex lens

• Myopia

• Bifocal lens

• Hypermetropia

• Concave lens

Match the following

• Longer wavelength

• Twinkling of stars

• Atmospheric refraction

• Danger signals are red

• Scattering of sunlight

• Rainbow

• Dispersion

• Blue colour of the sky

Match the following

• Scattered least

• Violet

• Deviated least

• Red

• Deviated most

• Blue

Match the following

• Coloured pigments

• Ciliary muscle

• Flexible

• Iris

• Cones and rods

• Retina

• Crystaline double convex lens

• Blind Spot

• Does not contain cones and rods

• Eye lens