Electromagnetic Spectrum Review Flashcard

Front

What is the entire range of electromagnetic waves called?

Back

The electromagnetic spectrum.

Front

What type of electromagnetic wave causes sunburns?

Back

Ultraviolet waves.

Front

How are electromagnetic waves ordered in terms of energy?

Back

From lowest to highest energy.

Front

Which type of electromagnetic wave is used to treat cancer?

Back

Gamma rays.

Front

What everyday object emits microwaves?

Back

Cell phone.

Front

What is the speed of electromagnetic waves in a vacuum?

Back

Approximately 299,792 kilometers per second (or about 300,000 kilometers per second).

Front

What is the visible spectrum?

Back

The portion of the electromagnetic spectrum that is visible to the human eye, typically ranging from 400 to 700 nanometers.

Front

What are infrared waves commonly used for?

Back

Infrared waves are commonly used in remote controls and thermal imaging.

Front

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

Back

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

Front

What type of electromagnetic wave is used for communication in radios?

Back

Radio waves.