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 electromagnetic waves?

Back

Electromagnetic waves are waves that can travel through the vacuum of space and do not require a medium.

Front

What is wavelength?

Back

Wavelength is the distance between two consecutive crests or troughs in a wave.

Front

What is amplitude?

Back

Amplitude is the height of the wave from its rest position to its crest or trough.

Front

What is frequency?

Back

Frequency is the number of waves that pass a point in one second, measured in hertz (Hz).

Front

What type of waves can be used for communication?

Back

Radio waves are commonly used for communication, including radio and television broadcasts.

Front

What are gamma rays used for?

Back

Gamma rays are used in medical treatments, such as cancer therapy, to kill cancer cells.

Front

What is ultraviolet radiation?

Back

Ultraviolet radiation is a type of electromagnetic radiation that can kill bacteria and is used for sterilization.

Front

What is visible light?

Back

Visible light is the part of the electromagnetic spectrum that can be seen by the human eye.

Front

How do electromagnetic waves travel?

Back

Electromagnetic waves can travel through a vacuum and do not require a medium.