Color, wavelength, and photon energy are all intimately related. Aqui está como:

* comprimento de onda: This refers to the distance between two successive crests or troughs of a wave. For light, wavelength determines the color we perceive.
* comprimentos de onda mais curtos corresponde a Energia mais alta light, which we see as blues and violets.
* comprimentos de onda mais longos corresponde a menor energia light, which we see as reds and oranges.

* Energia de fótons: Light is composed of tiny packets of energy called photons. The energy of a photon is directly proportional to its frequency (and inversely proportional to its wavelength).
* Higher energy photons have higher frequencies and shorter wavelengths .
* Lower energy photons have lower frequencies and longer wavelengths .

O relacionamento

The relationship is simple:

* Higher energy photons =Shorter wavelengths =Bluer colors
* Lower energy photons =Longer wavelengths =Redder colors

Exemplo:

* Blue light has a wavelength of around 450 nanometers and a relatively high photon energy.
* Red light has a wavelength of around 700 nanometers and a relatively lower photon energy.

Pontos de chave:

* luz visível: The human eye can only detect a small portion of the electromagnetic spectrum called visible light. This range corresponds to wavelengths from about 400 to 700 nanometers.
* Beyond visible light:
* Wavelengths shorter than visible light (ultraviolet, X-rays, gamma rays) have higher energy photons.
* Wavelengths longer than visible light (infrared, microwaves, radio waves) have lower energy photons.

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