doubt in electromagnetic spectrum


by manimaran1605
Tags: doubt, electromagnetic, spectrum
manimaran1605
manimaran1605 is offline
#1
Sep26-13, 12:49 PM
P: 28
In electromagnetic spectrum, why there is no radiation less than wavelength of Gamma rays and waves higher than the wavelength of Radio waves?
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DrClaude
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#2
Sep26-13, 01:05 PM
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The Wikipedia entry on the electromagnetic spectrum contains a lot of relevant information. There is no shorter wavelength than a gamma ray if you call all that is below 10 pm, but as Wikipedia points out, very high energy radiation is sometimes simply called high energy photons. Same for radio waves: all that is above 1 mm in wavelength is considered a radio wave.
BruceW
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#3
Sep26-13, 01:54 PM
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yeah, It's really just an arbitrary assignment. We 'categorize' wavelengths according to how they are useful to us.


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