3.05 Light Waves & The Electromganetic Spectrum

What is light?

• a form of radiant energy that you can see

• a form of energy you that can hear

• a form of energy that you can taste

• None of the above

Which type of waves have the longest wavelength?

• microwaves

• gamma rays

• radio waves

• ultraviolet light

Which type of waves have the shortest wavelength?

• microwaves

• gamma rays

• radio waves

• ultraviolet light

Which type of wave has the lowest frequency?

• microwaves

• gamma rays

• radio waves

• ultraviolet light

Which type of wave has the highest frequency?

• microwaves

• gamma rays

• radio waves

• ultraviolet light

Which color of visible light has the longest wavelength?

• blue

• violet

• orange

• red

Which color of visible light has the shortest wavelength?

• blue

• violet

• orange

• red

Microwaves, gamma rays, and radio waves are all types of

• electromagnetic waves

• longitudinal waves

• sound waves

• none of the above

Light consists of oscillating ____________ and _________ fields. (select all that are correct)

• electrical

• sound

• magnetic

• football

Light in a vacuum always moves at roughly _________________ m/s.

• 300 m/s

• 10,000 m/s

• 1,000,0000 m/s

• 300,000,000 m/s