Rayleigh scattering is wavelength dependent with shorter wavelengths being more scattered. It is Rayleigh scattering from molecules in the atmosphere which gives rise to the blue sky we see on a fine day. The blue light from the sun striking the upper atmosphere is scattered approximately 10 times...
Modern technology enables the investigator to obtain photographs using wavelengths of the light spectrum that are normally obscured from vision. The use of ALI, UV, normal, and IR light source photography for the documentation of the examination, latent fingerprinting processing, detection of semen ...
It’s great that there are manydifferent types of lightsto choose from but it’s also frustrating. Our house, built in the 1980s has all kinds of different light fixtures which require all different types of light bulbs. Whenever I need to change a bulb, I need to go to the hardware ...
Light Sources - Light comes from different sources which are known as light sources, and these light sources can be defined as the sources through which light (a form of energy) is produced. Light Sources can be differentiated into Natural light sources
Light rays are the flow of photons with wavelengths. They travel in straight lines and do not interfere with each other as they cross paths. What is the effect of light rays on an object? Depending on the object, a light ray may reflect (like on a mirror) or refract (like shining thr...
• Plant Growth Lighting: Specific LED wavelengths aid in indoor plant growth for horticulture. ● Emerging Applications: • Smart Lighting: Connected LED systems that can be controlled and programmed for various effects, integrated with smart home systems. ...
Color blindness testingcan help determine the kind of color deficiency you have. SEE ALSO:Tritanopia: Blue-Yellow Color Blindness What Causes Color Blindness? Color blindness occurs when light-sensitive cells in theretinafail to respond appropriately to variations in wavelengths of light that enable ...
The wavelengths of light provide color, and brightness. We also have some night vision capability for seeing at night, though not as well as in the daytime. The first step in the process of vision is the eyes. The eyes focus light, control how much light enters the eye and the directs...
UVB– 280 to 315 nm, medium wave, 95% of UVB rays are absorbed by the ozone layer UVC– 100 to 280 nm, all UVC rays are absorbed by the ozone layer Far UVC lightdescribes ultra violet wavelengths in the range of 200 to 230 nm, specifically 222 nm, which is gaining interest for ma...
This video will discuss the common mechanisms by which light is generated and the different light sources that operate based on these mechanisms. Also, this video will cover how these light sources differ in terms of the wavelengths of light they emit. Resources arrow-right Ask questions and ...