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 EM waves have the longest wavelength?

Back

Radio waves have the longest wavelength in the electromagnetic spectrum.

Front

What do electromagnetic waves NOT need to transfer energy?

Back

Electromagnetic waves do not need matter to transfer energy; they can travel through a vacuum.

Front

Which color waves have the lowest frequency?

Back

Red waves have the lowest frequency in the visible spectrum.

Front

What happens to frequency when wavelength decreases?

Back

When wavelength decreases, frequency increases.

Front

Which EM waves have the lowest frequency?

Back

Radio waves have the lowest frequency among electromagnetic waves.

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 kilometers per second).

Front

What is the relationship between frequency and wavelength?

Back

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

Front

What type of electromagnetic radiation is used in microwave ovens?

Back

Microwaves are the type of electromagnetic radiation used in microwave ovens.

Front

What is visible light?

Back

Visible light is the portion of the electromagnetic spectrum that is visible to the human eye, typically ranging from wavelengths of about 400 to 700 nanometers.