Electromagnetic Spectrum

Front

What are radio waves?

Back

Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light. They are used for broadcasting audio and video signals.

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 rays, visible light, ultraviolet rays, x-rays, and gamma rays.

Front

What type of electromagnetic waves are used in ovens?

Back

Microwaves are used in ovens to heat food by causing water molecules to vibrate.

Front

What is the order of electromagnetic waves from highest to lowest frequency?

Back

The order is: gamma rays, x-rays, ultraviolet rays, visible light, infrared rays, microwaves, and radio waves.

Front

What are infrared rays?

Back

Infrared rays are electromagnetic waves with wavelengths longer than visible light but shorter than microwaves. They are often 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, consisting of colors ranging from red to violet.

Front

What are x-rays?

Back

X-rays are a form of electromagnetic radiation with very short wavelengths and high energy, used primarily in medical imaging.

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

What are microwaves?

Back

Microwaves are electromagnetic waves with wavelengths ranging from one meter to one millimeter, used in communication and cooking.

Front

What is ultraviolet (UV) light?

Back

Ultraviolet light is a type of electromagnetic radiation with a wavelength shorter than visible light but longer than x-rays, known for its ability to cause sunburn.