Electromagnetic Spectrum

Front

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

Back

Ultraviolet rays

Front

Which type of electromagnetic waves does radar use to detect objects and measure their distance and speed?

Back

Microwaves

Front

Which color has the longest wavelength?

Back

Red

Front

What type of waves are used in broadcasting?

Back

Radio waves

Front

Which waves have the lowest energy?

Back

Radio waves

Front

What is the electromagnetic spectrum?

Back

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

Front

What type of electromagnetic waves are used in remote controls?

Back

Infrared rays

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 electromagnetic radiation is used in medical imaging?

Back

X-rays

Front

Which part of the electromagnetic spectrum can humans see?

Back

Visible light.