EM Spectrum Review

Front

What happens to the energy of an electromagnetic wave as its frequency increases?

Back

The energy of the electromagnetic wave increases.

Front

Which color of light has the most energy?

Back

Violet has the most energy.

Front

What are electromagnetic waves that help your body produce vitamin D called?

Back

Ultraviolet rays.

Front

What does the blue section of a wave measure?

Back

Wavelength.

Front

What is the relationship between wavelength, frequency, and energy in waves?

Back

A wave with a large wavelength will have a low frequency and low energy.

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, from radio waves to gamma rays.

Front

What type of electromagnetic waves are used in microwave ovens?

Back

Microwaves.

Front

What is the speed of light in a vacuum?

Back

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

Front

What type of radiation is used in medical imaging?

Back

X-rays.

Front

What is the difference between ultraviolet rays and infrared rays?

Back

Ultraviolet rays have higher energy and shorter wavelengths than infrared rays.