Electromagnetic Spectrum Review

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 type of electromagnetic wave has the longest wavelength?

Back

Microwave.

Front

What type of wave are electromagnetic waves?

Back

Electromagnetic waves are always transverse waves.

Front

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

Back

As the wavelength increases, the frequency decreases, and vice versa.

Front

What type of electromagnetic radiation can carry more energy than visible light?

Back

Ultraviolet radiation can carry more energy than visible light.

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 can electromagnetic waves travel through?

Back

Electromagnetic waves can travel through both mediums and empty space.

Front

Which electromagnetic wave has the highest frequency?

Back

Gamma rays have the highest frequency in the electromagnetic spectrum.

Front

What is the visible spectrum?

Back

The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye, typically ranging from wavelengths of about 400 nm (violet) to 700 nm (red).

Front

What is infrared radiation used for?

Back

Infrared radiation is commonly used in remote controls, thermal imaging, and night vision technology.