Electromagnetic Spectrum Review Flashcard

Front

What is the electromagnetic spectrum?

Back

The entire range of electromagnetic waves, including radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

Front

Which type of electromagnetic wave has the highest energy?

Back

Gamma rays have the highest energy in the electromagnetic spectrum.

Front

What percentage of the electromagnetic spectrum can humans see?

Back

Humans can only see about 0.0035% of the electromagnetic spectrum, which corresponds to visible light.

Front

What type of electromagnetic wave is commonly used in cancer treatment?

Back

Gamma rays are used to treat cancer due to their high energy.

Front

What type of wave can travel through space?

Back

Electromagnetic waves are the only type of wave that can travel through the vacuum of space.

Front

What is the order of electromagnetic waves from lowest to highest energy?

Back

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

Front

What type of electromagnetic wave is emitted by a cell phone?

Back

Cell phones emit microwaves.

Front

What is the visible spectrum?

Back

The portion of the electromagnetic spectrum that is visible to the human eye, ranging from violet to red.

Front

What are gamma rays?

Back

Gamma rays are high-energy electromagnetic waves that can penetrate most materials and are used in medical applications.

Front

What is the difference between ultraviolet and infrared waves?

Back

Ultraviolet waves have higher energy than visible light and can cause sunburn, while infrared waves have lower energy and are associated with heat.