electromagnetic waves

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 relationship between frequency and wavelength in electromagnetic waves?

Back

As frequency increases, wavelength decreases. They are inversely related.

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 have wavelengths longer than microwaves?

Back

Radio waves.

Front

How much of the electromagnetic spectrum is made up of visible light?

Back

Only a small portion.

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 about 300,000 km/s).

Front

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

Back

Radio waves, Microwaves, Infrared, Visible light, Ultraviolet, X-rays, Gamma rays.

Front

What is visible light?

Back

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