Electromagnetic Waves Answers

0 verified answers2 views

Free Preview

What do all electromagnetic waves have in common?

They can travel at the speed of light.

They have the same wavelengths.

They travel only through matter.

They have nonmoving magnetic fields.

Free Preview

Radio stations use electromagnetic waves for broadcasting. The chart shows different frequencies of waves used by radio stations.

The chart shows the speed at which light travels through different media.

water

air

glass

diamond

Which describes the relationship between the frequency, wavelength, and speed of a wave as the wave travels through different media?

As speed changes, wavelength changes and frequency remains constant.

As speed changes, frequency changes and wavelength remains constant.

As speed changes, wavelength and frequency change.

As speed changes, wavelength and frequency remain constant.

The diagram shows changing wavelengths along the electromagnetic spectrum.

Y: UltravioletZ: Radio

Y: Gamma raysZ: Visible light

Y: X-raysZ: Infrared

Y: RadioZ: Gamma rays

Which lists the waves in order of frequency, from highest to lowest?

X-rays, gamma rays, ultraviolet

radio waves, visible light, X-rays

ultraviolet, microwaves, gamma rays

visible light, infrared, microwaves

As the frequency of electromagnetic waves increases, what happens to the wavelength?

It increases.

It decreases.

It fluctuates.

It remains constant.

Which best describes electromagnetic waves moving from gamma rays to radio waves along the electromagnetic spectrum?

Wavelength and frequency decrease.

Wavelength and frequency increase.

Wavelength increases, and frequency decreases.

Wavelength decreases, and frequency increases.

Did you find these answers helpful?

More from this Course