anonymous
  • anonymous
Does the speed of light slow down near heavier objects? if yes, Explain
Physics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
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anonymous
  • anonymous
yes dear specially when it passes close to a very huge heavy object like sun or close to a star ..
anonymous
  • anonymous
The space fibers, as per the Einstein, is curved around the massive objects. so every thing passing near a massive object get curved as per the curvature around the object. and this is why an object revolves around other. it only changes its direction
goformit100
  • goformit100
\[3*10^8\]

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anonymous
  • anonymous
the speed doesn't change, but space is curved around massive objects, so it has to travel a longer path and therefore takes more time (which has the net effect of seeming to 'slow' it)
anonymous
  • anonymous
The speed of light will change only if the Refractive Index of the medium it's travelling in, changes. Near massive objects , I think the previous explanation is good.
anonymous
  • anonymous
agreed, speed of light remains constant till there exists no change in medium
anonymous
  • anonymous
the speed of light is actually constant in any medium, it's just that due to scattering the path it must take through different materials is very different in length.
anonymous
  • anonymous
sorry, this concept is quite alien to me and i must say, speed changes if medium is changed
anonymous
  • anonymous
If the speed didn't change we would never have been able to detect neutrinos. (Cheronkov radiation)
anonymous
  • anonymous
we must thank @kappa007 for this piece of wisdom
anonymous
  • anonymous
also, then R.I. of all media would be 1.
anonymous
  • anonymous
:)
anonymous
  • anonymous
oh aye? well what causes light to 'slow down' in a material? magic? or is it all that gravity from all those protons and neutrons
anonymous
  • anonymous
@Algebraic! if you've got concept then only entertain else don't mislead or misguide in a funny manner
anonymous
  • anonymous
l2english
anonymous
  • anonymous
Still, you can't compare that with gravitational lensing. If we dig down to the basics of refraction.. I think the slowing down maybe because of interaction between light's electromagnetic field and the medium's e.m. field.
anonymous
  • anonymous
no kidding. absorption and re-emission. ie scattering
anonymous
  • anonymous
can you explain please.
anonymous
  • anonymous
read the wiki page or something.
anonymous
  • anonymous
The speed of light does not decrease. Anything moving at the speed of light stays at the speed of light and cannot be slowed down (unless you want to talk about "tachyons" that may or may not exist)..... When light passes through a medium the particles of light, photons, do not change speed. The wavelength of light though, does change. There is a simple relation that you can follow (wavelength in medium) = (wavelength in vacuum) / (index of refraction of medium) What is really slowing the photons down is their interaction with the particles in the medium, which shortens the wavelength. The photons themselves though still are moving at the speed of light, it is just this interaction that causes the dilation. so i don't think scattering makes any sense, it's just a blunder. or may be i am wrong
anonymous
  • anonymous
hope this help you
anonymous
  • anonymous
I'll say that, 'c' is indeed constant but not exactly the speed of light, as, the basic R.I. definition is based on such speeds only. During interaction with particles , light tends to behave as a particle. So, I think the photon-particle interaction thing must be the reason.
anonymous
  • anonymous
speed always remain constant, it's just interaction that acts as obstacle slowing down the speed
anonymous
  • anonymous
http://en.wikipedia.org/wiki/Scattering learn all about it here.
anonymous
  • anonymous
nice to know, people believe in wikipedia
anonymous
  • anonymous
there's no term = 'speed' in the page suggested. I
anonymous
  • anonymous
rfl
anonymous
  • anonymous
lol

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