wavelength from 0.9 to 7.0 so in a way you can say that the wavethength is short.First, a basic fact: light in the SWIR band is not visible to the human eye. The visible spectrum extends from wavelengths of 0.4 microns (blue, nearly ultraviolet to the eye) to 0.7 microns (deep red). Wavelengths longer than visible wavelengths can only be seen by dedicated sensors, such as InGaAs. But, although light in the shortwave infrared region is not visible to the eye, this light interacts with objects in a similar manner as visible wavelengths. That is, SWIR light is reflective light; it bounces off of objects much like visible light. As a result of its refelctive nature, SWIR light has shadows and contrast in its imagery. Images from an InGaAscameraare comparable to visible images in resolution and detail; however, SWIR images are not in color. This makes objects easily recognizeable and yields one of the tactical advantages of the SWIR, namely, object or individual identification.
Both a wave with long wavelength and a wave with short wavelength can have a lot of energy, or little energy.Specifically in the case of electromagnetic waves, a short wavelength corresponds to high energy - but this is only the energy PER PHOTON. But note that each of such waves usually consists of a lot of photons.
Short wavelength wave carry not energy (in proportion to their frequency.)
There is a simple answer and a complicated answer. The simple anser is, "Neither", the complicated answer is , "It depends."
false
it cannot be seen
Short wavelength
Both a wave with long wavelength and a wave with short wavelength can have a lot of energy, or little energy.Specifically in the case of electromagnetic waves, a short wavelength corresponds to high energy - but this is only the energy PER PHOTON. But note that each of such waves usually consists of a lot of photons.
Short wavelength wave carry not energy (in proportion to their frequency.)
Short wavelengths.
The color of visible light with the longest wavelength is red; the color with the shortest is violet. So "ROY G. BIV" lists the colors from long to short wavelength. Just to confuse you, we'll also mention that it lists them from lowest to highest frequency.
Scattering of light
I looked it up in my physics text book and it says that the wavelength is too long to be seen by the human eye.
There is a simple answer and a complicated answer. The simple anser is, "Neither", the complicated answer is , "It depends."
The wavelengths of electromagnetic radiation extend from any long wavelength, withno upper limit no matter how long, continuously through all possible wavelengths, withno gaps, down to any short wavelength, with no lower limit no matter how short.
Cone cells, or cones, are one of the two types of photoreceptor cells that are in the retina of the eye which are responsible for color vision as well as eye color sensitivity; they function best in relatively bright light, as opposed to rod cells that work better in dim light.
No. The speed of light is the same for long wave and short wave light. c=fw where w is the wavelength and f is the frequency. The speed c is a constant. The frequency is different for different wavelengths. High frequency for short waves and low frequency for long waves.
I looked it up in my physics text book and it says that the wavelength is too long to be seen by the human eye.