EM Spectrum

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

• microwaves
• visible light
• gamma rays

Tags

NGSS.HS-PS4-1

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

• Infrared rays
• ultraviolet rays
• microwaves

Tags

NGSS.MS-PS4-2

Which type of waves are used in broadcasting?

• radio waves
• infrared rays
• x-rays

Tags

NGSS.MS-PS4-3

For waves in any medium, as the wavelength decreases, what happens to the frequency?

• It also decrease
• It stays the same
• It increases

Tags

NGSS.HS-PS4-1

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

• only a small portion
• a very large portion

• about half

Which of the following has wavelengths longer than microwaves?

• Infrared waves
• Radio waves
• Visible light

Which of the following has frequencies higher than ultraviolet rays?

• visible light
• infrared rays
• x-rays

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-4

Which electromagnetic waves help doctors detect broken bones inside your body?

• gamma rays
• x-rays
• ultraviolet rays

Which of the following lists the electromagnetic waves in order of increasing wavelength?

• X-rays, visible light, radio waves
• gamma rays, microwaves, UV rays
• infrared rays, radio waves, x-rays

Which of the following lists the electromagnetic waves in order of decreasing frequency?

• X-rays, microwaves, infrared rays
• UV rays, visible light, x-rays
• infrared rays, microwaves, radio waves