Measurement instrumentation is usually employed to obtain a number of photometric measurements to evaluate the broad optical characteristics of a light source. The photometers must be capable of performing luminous intensity measurements and possess either a cosine corrector or an integrating sphere in a ...
The eye is sensitive to a broad range of light intensity but at low light levels loses its ability to distinguish detail. That is why precision work such as measurement, surgery or assembly is best done under bright light.Fatigue and mistakes can occur when people work under poor lighting, ...
A nanometer (nm) is one-billionth of a meter, smaller than the wavelength of visible light and a hundred-thousandth the width of a human hair [source: Berkeley Lab]. As small as a nanometer is, it's still large compared to the atomic scale. An atom has a diameter of about 0.1 nm....
LDR (Light Dependent Resistor) as the name states is a special type of resistor that works on the photoconductivity principle means that resistance changes according to the intensity of light. Its resistance decreases with an increase in the intensity of light. It is often used as a light senso...
The light second (ls), lightsecond, or light-second is a measurement unit of length used in astronomy. The light second is defined as the distance that light travels in a vacuum in one second. The light second is equal to 299 792 458 meters. ...
(nm) is blue light, 500-600 nm is green, and 600-700nm is red, which is referred to as the visible portion of the electromagnetic spectrum. The electromagnetic spectrum is expansive and ranges from high energy gamma rays to low energy radio wave. Remote sensing generally uses the visible ...
In this lesson, we'll learn all about UV radiation and some of its effects. UV Radiation Ultraviolet (UV) radiation is defined as that portion of the electromagnetic spectrum between X-rays and visible light or between 40 and 400 nanometer (nm) wavelengths. The primary source of UV ...
2.3. Measurement Participants were asked to answer three self-rating scales, using their PC or tablet. They were also asked to provide information on the age, gender, cohabitation status, and relationship length. We decided to divide participants based on gender and cohabitation status. Both URCS...
However, it is important to understand that the initial specifications recorded at this stage are subject to change with progressing development, e.g., when process limitations come to light. To distinguish them from the device and process features guaranteed by frozen specifications used in ...
FLFork Length(fish measurement) FLFreelancer(computer game) FLFuzzy Logic FLFlashing Light FLFollicular Lymphoma(cancer) FLAirtran(ICAO code) FLFound Living(geneology) FLFluorine FLFuerstentum Liechtenstein FLFile List FLField Level(STARS Standard Accounting and Reporting System) ...