Light and Sound Waves Review

Electromagnetic Waves are

• transverse waves

• longitudinal waves

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Electromagnetic waves

• need a medium to travel through

• can travel through a vacuum

Which of these electromagnetic waves has the shortest wavelength?

• radio waves

• X-Rays

• UV waves

• infrared waves

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Compared to the wavelength of ultraviolet waves, the wavelength of infrared waves is

• the same

• shorter

• longer

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The source of all electromagnetic waves is

• magnetic fields.

• electromagnetic fountain

• vibrating charges.

• vibrating drums

The main difference between a radio wave and a light wave is its

• speed

• wavelength

• both of those

• none of those

Sound is a

• mechanical, transverse wave

• electromagnetic, transverse wave

• electromagnetic, longitudinal wave

• mechanical, longitudinal wave

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If the sun were to disappear right now, we wouldn't know about it for 8 minutes because it takes 8 minutes

• to process this information through an average i. brain

• for light to travel from the sun to Earth.

• for the sun to disappear.

• all of the above

Which of the following is NOT an electromagnetic wave?

• light

• uv light

• IR light

• sound

which of the following is not an electromagnetic wave

• X-Rays

• Gamma Rays

• Ocean Waves

• visible light