Thread: What is Light?
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Old April 18th 08 posted to sci.physics,alt.philosophy,alt.astronomy,sci.physics.relativity
Hagar
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Posts: 94
Default What is Light?


"Sanny" wrote in message
...
When in School I learnt 2 things about Light

1. Light is a Wave

I was shown Lenses and other Experiments to proove Light is a wave.


2. When I grew up I was told Light is Electro Magnetic Wave.

Later I was Told
3. Magnetic and Electric Field in a light travel at 90`

Can we Change the angle of movement of Electric & Magnetic Field? How
can we say they are perpendicular.

Later I was told Light has photons and its energy is = h*u

So light is a Particle moving at light Speed.

Then I was told Light is both Particle and Wave

Dont you feel things are getting Complex and Absurd.

After 12 years of my passing out of school I still want to know whats
the correct description of light.

Bye
Sanny

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OK Sanny, here's the inside scoop:
Light comes from a tube.
The tube contains storage devices called batteries.
They in turn power a bulb or a few LEDs.
Now here's the critical part: There is a switch on the side.
ON means light (in Old Celtic) and OFF means no light.
It is very important not to get the two mixed up, since thinking ON means
OFF may cause a premature electron ejaculation by the batteries and then all
they want to do is lay around and smoke and drink beer.

Hope that helped you in your quest for the truth.


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