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as such there is no soecific difference..

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What is the difference between reflectance and reflectivity, and how do they relate to each other in the context of light and surface interactions?

Reflectance refers to the amount of light that is reflected off a surface, while reflectivity is a measure of how efficiently a surface reflects light. Reflectance is a property of the surface, while reflectivity is a physical property of the material. In the context of light and surface interactions, reflectance and reflectivity are related in that they both describe how much light is reflected off a surface, but reflectivity specifically quantifies the efficiency of that reflection.


What type of photometer used to measure reflection?

A reflectance photometer is typically used to measure reflection by detecting the intensity of light reflected off a surface. It measures the amount of light reflected by an object at specific wavelengths to determine its reflectance properties.


What is the difference between rules of translation and rules of reflection in math?

the difference is that in translation you slide the figure and in reflection you reflect the figure across the reflection line :)


What is difference between emissivity and reflectance?

Emissivity refers to the efficiency with which an object emits thermal radiation, ranging from 0 to 1. Reflectance, on the other hand, pertains to the ability of a surface to reflect light or radiation, also ranging from 0 to 1. In essence, emissivity relates to the emission of radiation from an object, while reflectance involves the reflection of incident light.


What is the difference between a mathematical translation and a mathematical reflection?

nonsence


What is the difference between radiance and reflectance?

Radiance is the variable directly measured by remote sensing instruments. Basically, you can think of radiance as how much light the instrument "sees" from the object being observed. When looking through an atmosphere, some light scattered by the atmosphere will be seen by the instrument and included in the observed radiance of the target. An atmosphere will also absorb light, which will decrease the observed radiance. Radiance has units of watt/steradian/square meter. Reflectance is the ratio of the amount of light leaving a target to the amount of light striking the target. It has no units. If all of the light leaving the target is intercepted for the measurement of reflectance, the result is called "hemispherical reflectance." Reflectance (or more specifically hemispherical reflectance) is a property of the material being observed. Radiance, on the other hand, depends on the illumination (both its intensity and direction), the orientation and position of the target and the path of the light through the atmosphere. With effort, many of the atmospheric effects and the solar illumination can be compensated for in digital remote sensing data. This yields something which is called "apparent reflectance," and it differs from true reflectance in that shadows and directional effects on reflectance have not been dealt with. Many people refer to this (rather inaccurately) as "reflectance." For most of the vegetation indices in this FAQ, radiance, reflectance, and apparent reflectance can be used interchangeably. However, since reflectance is a property of the target material itself, you will get the most reliable (and repeatable) vegetation index values using reflectance. Apparent reflectance is adequate in many cases. See the related link.


What is the difference between angle of incidence and angel of reflection?

None. They are the same angle.


What is the difference between reflection and translation?

A reflection is when you "flip" an image over a line on your graph. A translation is when you move your image vertically and/or horizontally.


What is the difference between a reflection and a translation in geometry?

A reflection is a mirror image of a shape whereas a translation moves an image to a different place


What is reflectance in lighting design?

The ratio of reflected flux to incident flux. Flux - The time rate of flow. For example, volume per hour is the flux of a fluid. Reflectance also is called Light reflection Value. In lighting design, we need to consider all reflectance for proper lighting simulation to real time environment. In general, wall, floor, ceiling reflectance will be 50%,80%, 20-40%. It also depends on painting color of room


What is the difference between shadow and reflection?

A shadow is light being blocked by an object, reflection is light "bouncing" back off an object's surface.


What is the difference between a emission nebula and a reflection nebula?

Emission nebula glow and reflection nebula reflect the light form other stars