IS_Section Quiz_14.6–14.7_e

Light is a simple term that represents a kind of wave called the electromagnetic wave.

When white light passes through a prism, dispersion occurs.

(E) Red, green and yellow are primary colours.

Infrared radiation exists just beyond the red end of the visible spectrum.

The wavelength of microwave is shorter than visible light.

Waves transfer energy without any transfer of matter.

Black light is composed of lights of seven distinct colours.

A hotter object emits more infrared radiation.

Radar mainly works by making use of the refraction of microwaves.

We get tanned when our skin absorbs ultraviolet radiation in sunlight.