G 10 Human Eye and colourful world

MATCH THE COLUMN A WITH COLUMN B

• Light sensitive screen

• Retina

• Controls the amount of light

• Cornea

• Allows the light

• Ciliary muscles

• Controls the size of pupil

• Iris

• Adjust the focal length

• Pupil

MATCH THE COLUMN A WITH COLUMN B

• Astigmatism

• Convex lens

• Myopia

• Concave lens

• Presbiopia

• Bifocal lens

• Hypermetropia

• Cylindrical lens

Match the following

• Dispersion

• Rainbow

• Longer wavelength

• Twinkling of stars

• Scattering of sunlight

• Blue colour of the sky

• Atmospheric refraction

• Danger signals are red

Match the following

• Deviated most

• Violet

• Scattered least

• Red

• Deviated least

• Blue

Match the following

• Flexible

• Iris

• Does not contain cones and rods

• Blind Spot

• Crystaline double convex lens

• Retina

• Coloured pigments

• Eye lens

• Cones and rods

• Ciliary muscle