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 gamma rays?

Back

Gamma rays are electromagnetic waves with the highest frequencies and the shortest wavelengths in the electromagnetic spectrum.

Front

What are X-rays used for?

Back

X-rays are used in medical imaging to view the inside of the body, as they can pass through soft tissues but are absorbed by denser materials like bones.

Front

What type of electromagnetic waves are used in broadcasting?

Back

Radio waves are used in broadcasting for radio and television signals.

Front

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

Back

Frequency and wavelength are inversely related; as the frequency increases, the wavelength decreases.

Front

List the electromagnetic waves in order of increasing frequency.

Back

Radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, gamma rays.

Front

What are infrared rays?

Back

Infrared rays are electromagnetic waves with longer wavelengths than visible light, commonly associated with heat.

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.

Front

What are ultraviolet rays?

Back

Ultraviolet rays are electromagnetic waves with shorter wavelengths than visible light, known for their ability to cause sunburn.

Front

What is the significance of radio waves?

Back

Radio waves are significant for communication technologies, including radio, television, and mobile phones.