Open Sci Ed Electromagnetic Radiation

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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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

Which of the following occurs as a light wave bends when it passes from one medium into another?

• constructive interference

• refraction

• destructive interference

• reflection

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Cellular telephones utilize

• radar waves.

• x rays

• gamma rays

• radio waves

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Waves from the Sun do not require a medium for transmission.

• True

• False

Electromagnetic waves are also called transverse waves.

• True

• False

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The only type of electromagnetic waves you can see are

• infrared waves

• ultraviolet waves

• visible light waves

In the image, what section of the EM spectrum is #7

• gamma rays

• visible light

• infrared

• ultraviolet

• X-rays

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Carries energy from one place to another

• Waves
• Amplitude
• Frequency
• Crest

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