Assertion: mirror's surface | /r/HasProperty | smooth
Facets:
value: very
type: DEGREE
value: perfectly
type: DEGREE
value: over a long range
type: OTHER
value: with imperfections
type: OTHER
value: in order to reflect light waves
type: PURPOSE
value: within of an inch
type: OTHER
value: uniformly
type: MANNER
value: in order to reflect light rays
type: PURPOSE
value: completely
type: DEGREE
Source sentences:
text: In order to reflect light rays without scattering or diffusing them, a mirror’s surface must be perfectly smooth or its irregularities must be smaller than the wavelength of the light being reflected.
text: At home or in space, mirrors must have completely smooth surfaces to make undistorted images.
text: If the reflecting surface is very smooth, the reflection of light that occurs is called specular or regular reflection.
text: Mirrors are simply smooth surfaces with shiny, dark backgrounds that reflect very well.
text: These surfaces must be uniformly smooth within several lOOOths of an inch, and can be designed with a specific curvature, just like eyeglass lenses.
text: Finer and finer grits are used until the surface is very smooth and even.
text: In addition, they have a very smooth surface, causing light to reflect in an orderly way.
text: In order to reflect light waves with high efficiency, the surface of a mirror must be perfectly smooth over a long range, with imperfections that are much smaller than the wavelength of light being reflected.