Electromagnetic Spectrum Basics

Front

What is the electromagnetic spectrum?

Back

The range of all electromagnetic radiation, from radio waves to gamma rays, organized by wavelength and frequency.

Front

Define wavelength.

Back

The distance between two consecutive peaks of a wave.

Front

What is frequency?

Back

The number of waves passing a fixed point per second.

Front

What is energy in the context of waves?

Back

The amount of power carried by a wave, increasing with frequency.

Front

What are radio waves?

Back

Low-energy electromagnetic waves with the longest wavelengths, used in radio communication.

Front

What are microwaves?

Back

Electromagnetic waves with shorter wavelengths than radio waves, used in microwave ovens.

Front

What is infrared radiation?

Back

Electromagnetic waves with longer wavelengths than visible light, perceived as heat.

Front

What is visible light?

Back

The portion of the electromagnetic spectrum that humans can see, consisting of colors like red, orange, yellow, green, blue, indigo, and violet.

Front

What is ultraviolet radiation?

Back

Electromagnetic waves with shorter wavelengths than visible light, responsible for sunburns.

Front

What are X-rays?

Back

High-energy electromagnetic waves used in medical imaging.