Electromagnetic Waves

Electromagnetic waves vary in

• the speed they travel in a vacuum.

• wavelength and frequency.

• the way they reflect.

• the orientation of their electric and magnetic fields.

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Light acts like

• a wave.

• a particle.

• Both a wave and a particle

• neither a wave nor a particle.

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Infrared rays have a shorter wavelength than

• Ultraviolet ray.

• X-rays.

• radar waves.

• gamma rays

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The full range of frequencies of electromagnetic radiation is called

• visible light.

• radio waves.

• the electromagnetic spectrum.

• invisible radiation.

The waves with the longest wavelengths in the electromagnetic spectrum are

• Infrared rays.

• radio waves

• gamma rays

• X-rays

The visible light spectrum ranges between

• radar waves and X-rays.

• television waves and infrared rays.

• infrared rays and ultraviolet rays.

• ultraviolet rays and gamma rays.

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Cellular telephones utilize

• radar waves.

• very high frequency waves.

• very low frequency waves.

• microwaves.

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Which wave has the largest wavelength?

• A
• B
• C
• None (same wavelength)

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Which wave has the largest frequency?

• A
• B
• C
• None (same frequency)

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Which type of light has the highest energy of this group?

• red
• yellow
• green
• blue

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