Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the complete range of electromagnetic waves arranged in order of increasing frequency.

Front

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

Back

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

Front

What type of electromagnetic wave has a wavelength of 10^-5 meters?

Back

Infrared waves.

Front

What type of electromagnetic wave has a wavelength of 10^3 meters?

Back

Radio waves.

Front

Which electromagnetic waves help the body produce vitamin D?

Back

Ultraviolet rays.

Front

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

Back

As frequency increases, wavelength decreases.

Front

What are microwaves used for?

Back

Microwaves are used for cooking food and in communication technologies.

Front

What is the speed of electromagnetic waves in a vacuum?

Back

The speed of electromagnetic waves in a vacuum is approximately 299,792 kilometers per second (or the speed of light).

Front

What are X-rays commonly used for?

Back

X-rays are commonly used in medical imaging to view the inside of the body.

Front

What is visible light?

Back

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