Practical Applications of EM Waves

Which pair of EM waves is commonly used for communication?

• X-rays and infrared

• Infrared and microwaves

• Radio waves and microwaves

• Radio waves and gamma rays

What form of wave makes your skin tan when exposed for a long period of time?

• Microwaves

• Radio waves

• Infrared rays

• Ultraviolet rays

Tags

NGSS.MS-PS4-2

Which of the following is NOT an application of visible light?

• bulb

• flashlight

• cellphone screen

• security markings

Tags

NGSS.MS-PS4-2

Colors in the infrared image depend on _____________.

• amplitude

• frequency

• temperature

• wavelength

All of the following are dangerous waves when taken by the body in large amounts EXCEPT one. Which is it?

• radio waves

• gamma rays

• ultraviolet

• X-rays

Tags

NGSS.HS-PS4-4