EM Spectrum

Front

What type of wave does NOT need a medium to travel through?

Back

Electromagnetic waves.

Front

Which type of EM wave is used by cell phones and televisions, and has the longest wavelength with the lowest frequency?

Back

Radio waves.

Front

List the electromagnetic waves in order of increasing wavelength.

Back

X-rays, visible light, radio waves.

Front

What is the range of the visible light spectrum?

Back

Between infrared rays and ultraviolet rays.

Front

In which medium do light waves travel fastest?

Back

In a vacuum.

Front

What are electromagnetic waves?

Back

Waves that can travel through a vacuum and do not require a medium.

Front

What is the wavelength of radio waves compared to visible light?

Back

Radio waves have a longer wavelength than visible light.

Front

What is the frequency of gamma rays compared to radio waves?

Back

Gamma rays have a higher frequency than radio waves.

Front

What is the relationship between wavelength and frequency in electromagnetic waves?

Back

As wavelength increases, frequency decreases.

Front

What type of EM wave is used in microwave ovens?

Back

Microwaves.