human eye and colorful world

Front

Where is an image formed in the eye?

Back

retina

Front

Light enters the eye through a thin membrane called the

Back

Cornea

Front

What controls and regulates the amount of light entering the eye?

Back

Pupil

Front

The deflection of light by minute particles and molecules of the atmosphere in all direction is called ____________ of light.

Back

scattering

Front

When white light enters a prism, it gets split into its constituent colours. This is due to

Back

different refractive index for different wavelength of each colour

Front

Why does the sun appear white at noon?

Back

light is least scattered

Front

The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colours, the red light

Back

is scattered the least by smoke or fog

Front

Scattering of light by colloidal solution is known as

Back

Tyndall effect

Front

THE BAND OF SEVEN COLOURS WHICH IS OBTAINED ON SPLITTING OF WHITE LIGHT INTO ITS SEVEN CONSTITUENT COLOURS IS KNOWN AS

Back

SPECTRUM

Front

Colour with maximum angle of deviation

Back

Violet