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![[Post New]](/templates/default/images/icon_minipost_new.gif) 7 Sep 2008 10:33:57 IST
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Is there any relation between the wave property and particulate property of light ?
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7 Sep 2008 10:53:32 IST
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friends plz. reply yaarrrrrrrrrrrrrrrrrr
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7 Sep 2008 11:11:27 IST
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That is the relation everybody is searching for, not only of light but of all the bosons and fermions. There have been many hypotheses. Some are very popular, some are not. The most popular is that at the place of observation, wave of probability fills that place. Suppose we want to look for an electron at a particular place. The electron wave is present all around there. When we look at that place, there is a probability where we will find the electron and that probability is determined by the wavefunction there. There are some regions in that are where probability for finding the electron is most and wavefunction decides where the electron is present.
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"The journey of a thousand miles begins with one step."
- Lao Tzu
Like and unlike the proverb above, the solution to a problem begins (and continues, and ends) with simple, logical steps. But as long as one steps in a firm, clear direction, with long strides and sharp vision, one would need far, far less than the million of steps needed to journey a thousand miles. And mathematics, being abstract, has no physical constraints; one can always restart from a scratch, try new avenues of attack, or backtrack at an instant's notice. One does not always have these luxuries in other forms of problem-solving (e.g. trying to go home if you are lost). |
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7 Sep 2008 11:21:16 IST
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i think it is de broglie relation
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7 Sep 2008 11:48:36 IST
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I cannot go with de broglie because it is a hypothesis.
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7 Sep 2008 13:34:03 IST
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Sorry, can't help u with this... All my knowledge says is that vel. of light in wave form<<vel. of light in particulate form.
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Start off from now on |
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7 Sep 2008 14:29:14 IST
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Well ! i am still in confusion
plz. someone answer it
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7 Sep 2008 15:43:23 IST
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I have answered all according to present scientists' knowledge. I am studying higher physics in excession from my 8th class.
If your doubt is not clear you are free to ask me anything.
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"The journey of a thousand miles begins with one step."
- Lao Tzu
Like and unlike the proverb above, the solution to a problem begins (and continues, and ends) with simple, logical steps. But as long as one steps in a firm, clear direction, with long strides and sharp vision, one would need far, far less than the million of steps needed to journey a thousand miles. And mathematics, being abstract, has no physical constraints; one can always restart from a scratch, try new avenues of attack, or backtrack at an instant's notice. One does not always have these luxuries in other forms of problem-solving (e.g. trying to go home if you are lost). |
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7 Sep 2008 16:05:40 IST
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7 Sep 2008 16:06:11 IST
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Far as i kno, the particle property is a concept that can effectively explain the photoelectric effect. If u want a much better proof of particle nature of light look up Compton Scattering,which seems to be utterly inexplicable with the wave theory.
Also dude,the mass of the photon is thru Einstein's mass energy equivalence .E=mc^2. If energy is mass light waves of a particular frequency can be considered to consist of particles which have mass and energy.
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7 Sep 2008 20:15:57 IST
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see, u know light has both wave n particle character . depending on situation one of d two dominates.phenomenon like interference can b understood only in terms of wave theory. but particle theory is used to explain phenomenon like photoelectric effect.these r just background knowledge .
when u look at properties of photon(which r d particles of light,) u can find a relation. like
1. if a light wave has frequency 'f' n wavelength 'd' (suppose), then when d same light behave as particle the energy of the a single photon is given by
E=hf or hc/d , where 'h' is Planck constant , n 'c' is speed of light.
and its linear momentum is given by
P=h/d or E/c
also all the photons of light of a particular wavelength 'd' have same energy n linear momentum given by the formula given.
i hope dis is one of the way u can find a relation between them.
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7 Sep 2008 20:24:17 IST
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i hope it was clear that the properties ( energy n momentum) of particle of light (i.e photons) is related to properties (wavelength n frequency) of its wave character.
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10 Sep 2008 11:40:39 IST
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h=ET=pL(lambda)
E and p are attributes of particles while T and (lambda) are attributes od waves.
E=Energy of a photon,
T=Time period,
L(lambda)=wave length,
p=momentum and
h=plank's constant.
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There's reason for everything which happens, the challenge is to discover them if you can. |
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