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

Which electromagnetic wave has the lowest energy?

Back

Microwave.

Front

True or false: As you move from radio waves to gamma rays, the wavelengths decrease in size.

Back

True.

Front

What is the only section of the electromagnetic spectrum that is visible to the human eye?

Back

Visible Light.

Front

What is the correct order of the visible light spectrum starting with the longer wavelength?

Back

Red, orange, yellow, green, blue, indigo, violet.

Front

What does the blue section of a wave measure?

Back

Wavelength.

Front

What is wavelength?

Back

Wavelength is the distance between successive crests of a wave, typically measured in meters.

Front

What type of electromagnetic radiation has the highest energy?

Back

Gamma rays.

Front

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

Back

As frequency increases, wavelength decreases, and vice versa.

Front

What are radio waves used for?

Back

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