Waves Electromagnetic

Which wave represents an AM signal?

• A.

• B.

Tags

NGSS.MS-PS4-1

Which letter indicates infrared rays?

• A.

• B.

• C.

• D.

Tags

NGSS.MS-PS4-1

Radio waves carry information from a broadcasting station to your radio or television.

• True

• False

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-3

Which electromagnetic waves have the highest frequencies and the shortest wavelengths?

• microwaves

• visible light

• gamma rays

Which electromagnetic waves are used in ovens and cell phone communications?

• Infrared rays

• ultraviolet rays

• microwaves

Electromagnetic waves that help your body produce vitamin D are called?

• ultraviolet rays

• x-rays

• gamma rays

Tags

NGSS.MS-PS4-2

How much of the electromagnetic spectrum is made up of visible light?

• only a small portion

• a very l;arge portion

• about half

Which of the following has wavelengths longer than microwaves?

• Infrared waves

• Radio waves

• Visible light

Which electromagnetic waves allow us to diagnose & treat cancer?

• Gamma rays

• X-rays

• Ultraviolet rays

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Which of the following has frequencies higher than ultraviolet rays?

• visible light

• infrared rays

• x-rays