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Author Topic: How fast is the speed of light?  (Read 1364 times)
swissmate
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June 25, 2012, 10:33:41 PM
 #21

No, I was talking about single photons and they have been experimenting with singles for decades.

The "well defined" frequency and wavelength is directly related (inverse) adjusted for density of the medium unless I've really forgotten all of my physics.

frequency is invariable, depends only from the emitting point. Wavelength yes.

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June 25, 2012, 10:39:14 PM
 #22

?? frequency determines colour in the visible spectrum
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June 25, 2012, 10:40:56 PM
 #23

?? frequency determines colour in the visible spectrum

wavelength

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June 25, 2012, 10:59:26 PM
 #24

?? frequency determines colour in the visible spectrum

?? frequency determines colour in the visible spectrum

wavelength

Frequency and wavelength are inversely proportional: c=f*λ

So they can both be used to determine the color/electromagnetic wave type.

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swissmate
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June 25, 2012, 11:01:44 PM
 #25

?? frequency determines colour in the visible spectrum

?? frequency determines colour in the visible spectrum

wavelength

Frequency and wavelength are inversely proportional: c=f*λ

So they can both be used to determine the color/electromagnetic wave type.

I'm sorry to correct this but no, it's the wavelength that gives that property to the light.
Also in this case c=f*λ, c is not a constant because of different density materials.
here's an example http://en.wikipedia.org/wiki/Cherenkov_radiation

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Gladamas
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June 25, 2012, 11:05:41 PM
 #26

?? frequency determines colour in the visible spectrum

?? frequency determines colour in the visible spectrum

wavelength

Frequency and wavelength are inversely proportional: c=f*λ

So they can both be used to determine the color/electromagnetic wave type.

I'm sorry to correct this but no, it's the wavelength that gives that property to the light.
Also in this case c=f*λ, c is not a constant because of different density materials.
here's an example http://en.wikipedia.org/wiki/Cherenkov_radiation

When light goes through a material, the apparent speed may be less than the speed of light in a vacuum, but the actual speed of the photons is still at 299,792,458 meters/second, they are simply bouncing off, being absorbed, and reemitted by atoms in the material, not going in a completely straight line.

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swissmate
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June 25, 2012, 11:09:23 PM
 #27

?? frequency determines colour in the visible spectrum

?? frequency determines colour in the visible spectrum

wavelength

Frequency and wavelength are inversely proportional: c=f*λ

So they can both be used to determine the color/electromagnetic wave type.

I'm sorry to correct this but no, it's the wavelength that gives that property to the light.
Also in this case c=f*λ, c is not a constant because of different density materials.
here's an example http://en.wikipedia.org/wiki/Cherenkov_radiation

When light goes through a material, the apparent speed may be less than the speed of light in a vacuum, but the actual speed of the photons is still at 299,792,458 meters/second, they are simply bouncing off, being absorbed, and reemitted by atoms in the material, not going in a completely straight line.
nope http://en.wikipedia.org/wiki/Refractive_index
It's true that each photon travels at constant "c". But you still missing something, the atomic interaction with the photon.

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Gladamas
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June 25, 2012, 11:18:07 PM
 #28

?? frequency determines colour in the visible spectrum

?? frequency determines colour in the visible spectrum

wavelength

Frequency and wavelength are inversely proportional: c=f*λ

So they can both be used to determine the color/electromagnetic wave type.

I'm sorry to correct this but no, it's the wavelength that gives that property to the light.
Also in this case c=f*λ, c is not a constant because of different density materials.
here's an example http://en.wikipedia.org/wiki/Cherenkov_radiation

When light goes through a material, the apparent speed may be less than the speed of light in a vacuum, but the actual speed of the photons is still at 299,792,458 meters/second, they are simply bouncing off, being absorbed, and reemitted by atoms in the material, not going in a completely straight line.
nope http://en.wikipedia.org/wiki/Refractive_index
It's true that each photon travels at constant "c". But you still missing something, the atomic interaction with the photon.

I thought I defined atomic interaction pretty clearly.

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swissmate
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June 25, 2012, 11:20:34 PM
 #29

?? frequency determines colour in the visible spectrum

?? frequency determines colour in the visible spectrum

wavelength

Frequency and wavelength are inversely proportional: c=f*λ

So they can both be used to determine the color/electromagnetic wave type.

I'm sorry to correct this but no, it's the wavelength that gives that property to the light.
Also in this case c=f*λ, c is not a constant because of different density materials.
here's an example http://en.wikipedia.org/wiki/Cherenkov_radiation

When light goes through a material, the apparent speed may be less than the speed of light in a vacuum, but the actual speed of the photons is still at 299,792,458 meters/second, they are simply bouncing off, being absorbed, and reemitted by atoms in the material, not going in a completely straight line.
nope http://en.wikipedia.org/wiki/Refractive_index
It's true that each photon travels at constant "c". But you still missing something, the atomic interaction with the photon.

I thought I defined atomic interaction pretty clearly.
But you didn't define that making those  "things", being absorbed reemitted etc etc, takes more time than the tame that it would be to travel at constant "c".
http://en.wikipedia.org/wiki/Variable_speed_of_light

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June 26, 2012, 12:02:59 AM
 #30

The wave-like appearance of light is caused by self-sync behavior of a dynamic force on the static medium of space-time. It's like water going downhill that twists and turns (around pi) or lots of people walking over a poorly stabilized bridge, except it has more dimensions involved and travels in vortexes. What we measure as energy frequencies doesn't change unless the gravitic temperature of the space-time medium changes. The vortex in which energy radiates when polarized (like lasers) demonstrates that the space-time medium it travels through can also be warped by energy. This is confirmed by laser cooling experiments that cause the atom to decay as its suspension medium changes, like carbonated bubbles escaping an open soft-drink.

The speed of light itself will depend on the state of space-time. I predict that future interferometer measurements will detect anomolous energy that seems to come from outside the edge of the Universe. What we'll see is a quasar pulsing through dark-matter (slush-like) space-time between universal mud-holes.

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