The 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

What color of light has the lowest frequency and energy?

Back

Red.

Front

What type of electromagnetic wave causes sunburns?

Back

Ultraviolet (UV) waves.

Front

Which waves are part of the electromagnetic spectrum?

Back

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

Front

What electromagnetic wave is used to scan luggage for dangerous objects?

Back

X-rays.

Front

Which wave has the highest energy?

Back

Gamma rays.

Front

What is the frequency of a wave?

Back

Frequency is the number of waves that pass a point in one second, measured in hertz (Hz).

Front

What is the relationship between wavelength and frequency?

Back

Wavelength and frequency are inversely related; as the wavelength increases, the frequency decreases.

Front

What are infrared waves used for?

Back

Infrared waves are used in remote controls, thermal imaging, and night vision.

Front

What is visible light?

Back

Visible light is the portion of the electromagnetic spectrum that can be seen by the human eye, ranging from red to violet.