Electromagnetic Spectrum

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, which includes visible light, radio waves, X-rays, and gamma rays.

Front

Which section of the electromagnetic spectrum can we see?

Back

Visible Light.

Front

What has the shortest wavelength in the electromagnetic spectrum?

Back

Gamma Rays.

Front

What has the longest wavelength in the electromagnetic spectrum?

Back

Radio Waves.

Front

What type of electromagnetic waves are used to diagnose and treat cancer?

Back

Gamma Rays.

Front

What is the relationship between wavelength and frequency?

Back

As wavelength increases, frequency decreases, and vice versa.

Front

Which electromagnetic waves have frequencies higher than ultraviolet rays?

Back

X-rays.

Front

What type of electromagnetic radiation is used in microwave ovens?

Back

Microwaves.

Front

What is infrared radiation commonly used for?

Back

Infrared radiation is commonly used in remote controls and thermal imaging.

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).