IS_Section Quiz_14.6–14.7_e

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

• True

• False

When white light passes through a prism, dispersion occurs.

• True

• False

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

• True

• False

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

• True

• False

The wavelength of microwave is shorter than visible light.

• True

• False

Waves transfer energy without any transfer of matter.

• True

• False

Black light is composed of lights of seven distinct colours.

• True

• False

A hotter object emits more infrared radiation.

• True

• False

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

• True

• False

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

• True

• False