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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Updated 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
Updated 3/7/2018 10:27:45 AM
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.

Questions asked by the same visitor
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.
Weegy: If an electron vibrates up and down 1000 times each second, it generates an electromagnetic wave having a - frequency of 1000 Hz. (More)
Question
Updated 3/7/2018 10:28:21 AM
A person standing waist-deep in a swimming pool appears to have short legs because of light A. refraction. B. interference. C. diffraction. D. reflection. E. absorption.
Weegy: A person standing waist-deep in a swimming pool appears to have short legs because of light refraction. User: Different colors of light travel at different speeds in a transparent medium. In a vacuum, different colors of light travel at A. the same speed. B. different speeds. Weegy: Different colors of light travel at different speeds in a transparent medium. In a vacuum, different colors of light travel at the same speed. (More)
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Updated 9/8/2017 3:06:43 AM
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