Is light a 'wave' or a 'particle?? - A deep analysis.

Is light a 'wave' or a 'particle??

                                                     - A deep analysis.

Did you ever marvel whether light is  a 'wave' or a ' particle'? 
You must have studied science for a major part of your life. Well today we are concerned with physics. a large part of physics is covered by light. We have been studying various characteristics of light for years. Yet, we don't exactly know what light is. The reason is the world never told/taught us.
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Is light a 'wave'?

We've studied a lot of characteristics of light which match the characteristics of a wave.

For example, we have learnt at some point of time that light is a transverse wave. A transverse wave is the one in which the individual particles of the medium move about there mean positions in a direction perpendicular to the direction of wave propagation. Light is a transverse wave but for light , the oscillation are not of the medium particle or their pressure or density. Well it isn't a mechanical wave like sound. More over during dispersion, scattering of light we see the wave behavior of light. In fact, Which particle will scatter light of which colour more strongly solely depends upon the wavelength of light. Since light has a wavelength, it must be a 'wave'. So this proves that light is a 'wave'. But things aren't this simple.

 Is Light a 'particle'?

Well, do you remember tyndall effect?

Lights path becomes visible through a colloidal solution where the size of the particles is relatively larger than the size of particles in a true solution. When a beam of light strikes such fine particles, the path of the beam becomes visible. The light reaches us, scattering of light by the colloidal particles is called Tyndall effect.

This phenomenon is seen when a fine beam of sunlight enters a smoke-filled room through a small hole. Thus, scattering of light makes the particles visible. You can see this in the picture above. Moreover, light is visible not only because of scattering of light but also light contains a particle which has been discovered by scientist that glow and spread light. Its because of this particle that space does not appear completely black when we see toward the direction of Sun. So, this prove that light is a 'particle'

Now, both of are proved conflict which each other, which can't be possible unless light is both a 'wave' and a 'particle'. But again things aren't that simple. The truth will astonish you. Well the truth is that light is neither a 'wave' nor a 'particle'. Was this what you were expecting?Eh...Probably not.

 

 WTH!!!

Then What is light??

Here is the answer-

If an opaque object on the path of light becomes very small, light has a tendency to bend around it and not walk in a straight line - an effect known as the diffraction of light. Then the straight-line treatment of optics using rays fails. o explain phenomena such as diffraction, light is thought of as a wave. Again. at the beginning of the 20th century, it became known that the wave theory of light often becomes inadequate for treatment of the interaction of light with matter, and light often behaves somewhat like a stream of particles. This confusion about the true nature of the light continued for some years till a modern quantum theory of light emerged in which light is neither a 'wave' nor a 'particle'  - the new theory reconciles the particle properties of the light with the wave nature.

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Well lets get out of light now.
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