Electromagnetic Spectrum

Front

What are the two main properties of electromagnetic waves?

Back

Speed and amplitude.

Front

What type of electromagnetic technology do heat-seeking missiles use?

Back

Infrared.

Front

Which electromagnetic waves are primarily used for television broadcasting?

Back

Radio.

Front

What happens to the frequency of an electromagnetic wave as its wavelength increases?

Back

The frequency decreases.

Front

Which type of electromagnetic waves have the highest energy and the shortest wavelength?

Back

Gamma rays.

Front

What is the electromagnetic spectrum?

Back

The range of all types of electromagnetic radiation, ordered by wavelength or frequency.

Front

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

Back

They are inversely related; as one increases, the other decreases.

Front

What type of electromagnetic waves are used in microwave ovens?

Back

Microwaves.

Front

What is the speed of electromagnetic waves in a vacuum?

Back

Approximately 299,792 kilometers per second (or the speed of light).

Front

What type of electromagnetic radiation is used in medical imaging?

Back

X-rays.