HUMAN EYE & COLOURFUL WORLD

Front

When white light passes through a prism, what happens to the colors?

Back

Red bends least, violet bends most.

Front

The splitting of white light into the seven colors when it passes through a transparent material is called

Back

Dispersion

Front

A ray of white light enters the raindrop and undergoes __________ and __________ to form a spectrum.

Back

refraction; dispersion

Front

The refraction of light passed by the Earth’s Atmosphere having air layers of varying __________ is called atmospheric refraction.

Back

optical densities

Front

Red light has

Back

longer wavelength

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

The air layer of atmosphere whose temperature is less than the hot layer behaves as optically?

Back

denser medium

Front

Why are danger signals on tall buildings red?

Back

Red light is scattered the least by smoke or fog.

Front

What is happening in this picture?

Back

The water is refracting (bending) the light to make the pencil look bent.

Front

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

Back

scattering