Electromagnetic Spectrum

Front

What is the distance between two crests or two troughs of a wave called?

Back

Wavelength

Front

List the order of waves on the electromagnetic spectrum from longest wavelength to shortest wavelength.

Back

Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma

Front

Which electromagnetic wave has the shortest wavelength and the highest frequency?

Back

Gamma Rays

Front

Which of the following electromagnetic waves has the lowest energy?

Back

Microwave

Front

How much of the electromagnetic spectrum is visible?

Back

Only a small part

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second (km/s) or 186,282 miles per second (mi/s).

Front

What is the relationship between wavelength and frequency?

Back

As wavelength increases, frequency decreases, and vice versa.

Front

What type of electromagnetic wave is used for communication?

Back

Radio waves

Front

What is the range of wavelengths for visible light?

Back

Approximately 400 to 700 nanometers.

Front

What are infrared waves commonly used for?

Back

Thermal imaging and remote controls.