The easiest way would be to find a descriptive article on the internet that shows
the visible colors spread out with some wavelengths labeled. There, you can find
the approximate wavelengths for light of various colors.
If you don't know the color of the light, then in order to find its wavelength,
you'd need to know either its frequency or the energy of a photon (quantum).
Energy of a photon = h f
h = Planck's Konstant = about 6.63 x 10-34 joule-second
f = frequency of the light wave or photon
But the frequency is (speed of light)/(wavelength)
so, Energy = h c/wavelength .
If you know either the energy of the photon or its frequency, you can use
this stuff to find its wavelength.
In this discussion, I've toggled back and forth a few times between the frequency/wavelength
of the quantum and the frequency/wavelength of the light wave. Don't worry. They're
the same.
The wavelength λ of a photon can be calculated using the energy of the photon E and the speed of light c, where λ = c/E. The energy of the photon depends on the emission process that released it.
The wavelength of a mechanical wave in a medium is affected by the speed of the wave in that medium and its frequency. As the speed increases, the wavelength decreases, and vice versa. Higher frequencies also result in shorter wavelengths.
Violet light has the most energy among visible light because it has the shortest wavelength and highest frequency. The energy of a photon is directly proportional to its frequency, so higher frequency light like violet light carries more energy.
If the light has sufficiently high frequency (short wavelength), then it can dislodge electrons from the surface of material upon which it shines, and cause an electric current in the material. (The effect doesn't depend on how bright the light is, only on its wavelength. Explaining this strange effect won Dr. Einstein his first Nobel Prize.) Nowadays, materials and structures have been developed in which this effect is produced by light of relatively longer wavelength (lower energy). They're used in the photocells that may power your wristwatch and your calculator, and in large assemblies, deliver useful quantities of clean, renewable electric energy.
Monochromic light can be photons in a narrow energy range emitted by a laser. Sunlight looks uniform but it is actually composed of all of the wavelengths of visible light (except for a few that have been absorbed in the atmosphere).
The wavelength of a photon can be calculated using the equation: wavelength = Planck's constant / photon energy. Given the photon energy, you can plug in the values to find the corresponding wavelength.
the peripheral route
no, its been too long since youve given birth, youre just depressed. cheer up! (:
youve been trolled
The wavelength λ of a photon can be calculated using the energy of the photon E and the speed of light c, where λ = c/E. The energy of the photon depends on the emission process that released it.
To get the potential energy when only the mass and velocity time has been given, simply multiply mass and the velocity time given.
If you have been turned down repeatedly for SSI, it may be time to hire a lawyer.
Go for the guy you like!
Okay, *poof!* youve now been helped.
Youve been playin with yer dingy too much
The wavelength of a mechanical wave in a medium is affected by the speed of the wave in that medium and its frequency. As the speed increases, the wavelength decreases, and vice versa. Higher frequencies also result in shorter wavelengths.
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