What is light?

Answer 1

Light makes up what's called the electromagnetic spectrum, i.e., visible light, infrared light, radar, TV signals, etc.,. The only differences within the EM spectrum are frequency and wavelength.

A particle known as the 'photon' is considered to be the carrier of light...the photon always has direction and velocity.

Answer 2

Light is electromagnetic radiation with a wavelength that is visible to the eye (visible light) or, in a technical or scientific context, the word is sometimes used to mean electromagnetic radiation of all wavelengths.[1] The elementary particle that defines light is the photon. The three basic properties of light (i.e., all electromagnetic radiation) are:

Intensity, or alternatively amplitude, which is related to the perception of brightness of the light,
Frequency, or alternatively wavelength, perceived by humans as the color of the light, and
Polarization (angle of vibration), which is only weakly perceptible by humans under ordinary circumstances.


There are many sources of light. The most common light sources are thermal: a body at a given temperature emits a characteristic spectrum of black body radiation. Examples include sunlight (the radiation emitted by the chromosphere of the Sun at around 6,000 K peaks in the visible region of the electromagnetic spectrum), incandescent light bulbs (which emit only around 10% of their energy as visible light and the remainder as infrared), and glowing solid particles in flames. The peak of the blackbody spectrum is in the infrared for relatively cool objects like human beings. As the temperature increases, the peak shifts to shorter wavelengths, producing first a red glow, then a white one, and finally a blue color as the peak moves out of the visible part of the spectrum and into the ultraviolet. These colors can be seen when metal is heated to "red hot" or "white hot". The blue color is most commonly seen in a gas flame or a welder's torch

Answer 3

Light is a narrow electromagnetic radiation frequency level that is believed to generate what is called photonic energy, which as a bio-physical affect on some cells inside our eyes which inturn producce a bio-phyical process as a result of a bio-chemical reaction to the photonic radiation.

This bio-chemical change causes a bio-physical neuronic charge to travel up the nerves to the brain which then senses the change in a given eye cell (pixel or picture element) and does a Gestalt. It takes a maxtric of eye cells in photonic stimulation and generates a sensory pattern that other autonomic areas of the brain inter react with.

We can call this sensory imaging due to stimulated, varied emissions of light or photonic radiation caused by a tuned electromagnetic frequency that is so small in size, but within that small size it has subtilies the eye cells and brain can sense ans we call these colors or hues and when collected together these form white.

Answer 4

LIght StrIkIng Matter
4. LIght ComIng to the Eye
http://www.harunyahya.com/color03b.php


[24:35] GOD is the light of the heavens and the earth. The allegory of His light is that of a concave mirror behind a lamp that is placed inside a glass container. The glass container is like a bright, pearl-like star. The fuel thereof is supplied from a blessed oil-producing tree, that is neither eastern, nor western. Its oil is almost self-radiating; needs no fire to ignite it. Light upon light. GOD guides to His light whoever wills (to be guided). GOD thus cites the parables for the people. GOD is fully aware of all things.

[24:36] (God's guidance is found) in houses exalted by GOD, for His name is commemorated therein. Glorifying Him therein, day and night -
http://www.submission.org/suras/sura24.html


Relativity in Islam

The Quran (Koran, the book of Islam) defined :

Speed of light.

Time Dilation.

Pulsars and Black Holes.

Wormholes.

http://islam.speed-light.info/relativity_quran.htm

Answer 5

What we see as visible light is electromagnetic radiation from roughly the middle of the electromagnetic spectrum. It is the part our eyes can detect.

Electromagnetic radiation can be thought of both as waves of fluctuation in electric and magnetic fields that propagate energy and as zero-mass particles of energy travelling at the speed of light. These particles are called photons and represent the smallest quantity of energy that can be transported.

All electromagnetic radiation travels at the speed of light although it can vary in wavelength and frequency (they're inversely proportional). Radio waves and microwaves have a large wave length and small frequency, gamma rays and x-rays have a small wavelength and a large frequency, visible light is in the middle. Small differences in the wavelength/frequency of visible light make the colours.

Answer 6

Light is electromagnetic waves from the sun or any other star for that matter. Just so you know, black holes can even absorb light because of their immense galaxy. I think light travels in the speed of

299 792 458 m / s

Amazing!

Answer 7

Light is a form of energy which gives us the sensation of sight.

Answer 8

Without a brain and eyes light does not exist.

The light is created in your head.. Being able to (see) the spectrum allows it to exist.

Just one of Gods gifts

Answer 9

we are told energy is equal to the mass of light squared.
we are also told that any mass will increase in weight proportional to its velocity.
From this we can deduce the greater the velocity, the greater the weight of its mass, the greater the energy requirement to create the velocity.
we are told (at this moment in time) light is the fastest travelling mass in the known universe.
So again we can deduce light is a energy source that has sacrificed its mass to create velocity at the very limit of its mass to velocity ratio.
So light is a energy source that is sacrificing it mass at a rate poportional to its maximum velocity.

Answer 10

A perturbation in an electric field propagating as a wave of a specific length.