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What is light exactly?


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Just now, Rajiv Naik said:

as per  my understanding.light is not a particle its fundamental  radiation wave traveling through virtual particles -

It can be described in two ways: either as a wave of electric and magnetic fields (the classical view) or as a quantum of electromagnetism, ie. a photon, in quantum theory. A photon is not really a particle, but it behaves in some ways like one. Neither is it a wave, but it behaves in some ways as if it were.

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Just now, Rajiv Naik said:

its well understood now that particles oscillates and do not have angular or  linear momentum.

Particles have both linear and angular momentum. (And, in the classical model, electromagnetic waves have momentum.)

1 minute ago, Rajiv Naik said:

so how it can be travellig as a particle ?

It is not really a particle. That is just an analogy to describe some of its properties (mainly the fact that a photon is indivisible).

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What is light exactly?

Electric neutral particle called photon, with energy E=hv (in English units E=hf), where h - Planck constant, v and f - frequency of photon.

The larger frequency, the shorter wavelength, the larger photon has energy.

 

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Photon is perception we have when radiation wave travels through virtual particles.

photon itself is not a radiation, 

its uniform fluctuation of vaccum particles comming and going out of existance everybillionth of second. pulsating its a syphony. 

isnt it?

hysenberg principle as well earlier theories are found to have  anamolies as we are exploring quantum mechanics and string theory..

67% of universe is dark radiations not intereacting witn fundamental  particles (radiations) (5% of universe rest being dark matter) and in fact repel them.

 

I was saiying in this context .

 

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