Electromagnetic Spectrum

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, which includes radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

Front

What are microwaves used for?

Back

Microwaves are used for cooking food, in communication technologies, and in radar systems.

Front

What is infrared light?

Back

Infrared light is a type of electromagnetic radiation that is emitted by objects as heat energy and is not visible to the human eye.

Front

What is amplitude in wave physics?

Back

Amplitude is the height of a wave from its resting position, indicating the energy of the wave.

Front

Which color of visible light has the highest energy?

Back

Violet light has the highest energy among the colors of visible light.

Front

What happens to wavelength as frequency increases?

Back

As frequency increases, the wavelength decreases.

Front

What is the speed of light in a vacuum?

Back

The speed of light in a vacuum is approximately 299,792 kilometers per second (or about 300,000 kilometers per second).

Front

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

Back

Higher frequency electromagnetic waves carry more energy than lower frequency waves.

Front

What are radio waves used for?

Back

Radio waves are used for communication, including radio and television broadcasting, as well as in mobile phones.

Front

What is visible light?

Back

Visible light is the portion of the electromagnetic spectrum that can be seen by the human eye, ranging from red to violet.