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What is the ultimate source of electromagnetic waves? A. Vibrating atoms B. Vibrating molecules C. Radio sets D. Vibrating charged particles E. TV antennas
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Asked 10/4/2012 4:46:47 AM
Updated 3/7/2018 10:27:45 AM
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Flagged by jeifunk [3/7/2018 10:27:45 AM]
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User: The shadow produced by an object held close to a piece of paper in sunlight will be A. sharp. B. fuzzy.

User: What is the ultimate source of electromagnetic waves? A. Vibrating atoms B. Vibrating molecules C. Radio sets D. Vibrating charged particles E. TV antennas

Weegy: The answer is letter D The frequency of the wave is proportional to the magnitude of the particle's energy. Moreover, because photons are emitted and absorbed by charged particles, they act as transporters of energy. [ The energy per photon can be calculated by Planck's equation. ]
piso|Points 182|

Question
Asked 10/4/2012 4:46:47 AM
Updated 3/7/2018 10:27:45 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by jeifunk [3/7/2018 10:27:45 AM]
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The shadow produced by an object held close to a piece of paper in sunlight will be SHARP.
Added 3/7/2018 10:26:59 AM
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If an electron vibrates up and down 1000 times each second, it generates an electromagnetic wave having a A. frequency of 1000 Hz. B. speed of 1000 m/s. C. period of 1000 s. D. wavelength of 1000 m.
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