Question and answer
Electromagnetic waves vary in A. the speed they travel in a vacuum. B. wavelength and frequency. C. the way they reflect. D. the orientation of their electric and magnetic fields.
Question
Asked 4/4/2014 3:26:27 PM
Updated 10/19/2014 6:30:23 PM
1 Answer/Comment
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User: Electromagnetic waves vary in A. the speed they travel in a vacuum. B. wavelength and frequency. C. the way they reflect. D. the orientation of their electric and magnetic fields.

Weegy: Electromagnetic waves vary in B. wavelength and frequency.
may100|Points 2999|

User: Infrared rays have a shorter wavelength than A. ultraviolet rays. B. X-rays. C. radar waves. D. gamma rays.

Weegy: C. radar waves is the answer. Hope this helps.
thederby|Points 1530|

User: When droplets of water in the atmosphere act like prisms, the colors in sunlight undergo A. interference. B. absorption. C. polarization. D. dispersion.

Weegy: D. dispersion. When droplets of water in the atmosphere act like prisms, the colors in sunlight undergo dispersion.
migzptz|Points 7632|

User: An incandescent light bulb produces light when electrons flow through the A. air. B. glass. C. filament. D. vacuum.

Weegy: C. filament. Electricity flows into a thin wire filament inside of the bulb. The thin filaments quickly heats up so hot that it glows a bright white.
icebelmonte|Points 140|

User: Blue light and yellow light combine to produce white light because A. they absorb each other’s wavelengths. B. blue, yellow, and white are primary colors. C. they are complementary colors of light. D. they are both primary colors of light.

Weegy: Blue light and yellow light combine to produce white light because C. they are complementary colors of light. ]
jeifunk|Points 19853|

User: To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave and its A. wavelength. B. intensity. C. refraction. D. amplitude.

Question
Asked 4/4/2014 3:26:27 PM
Updated 10/19/2014 6:30:23 PM
1 Answer/Comment
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To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave and its Wavelength.

Added 10/19/2014 6:30:23 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [10/19/2014 9:25:19 PM]
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