For other uses, see Zechariah. The male given name Zechariah is derived from the Hebrew ×Ö°×Ö·×¨Ö°×Ö¸×, meaning The Lord has remembered.. It has been translated into English in many variant forms and spellings, including Zachariah, Zacharias and Zachary. It was the name of various men in the Bible.
Double Refraction in Minerals Double refraction is the splitting of a single ray of light into two refracted rays when passing through an anisotropic mineral. All anisotropic minerals exhibit double refraction. Double refraction can be practically observed by placing a transparent Calcite (Iceland spar) crystal on a sheet of paper with a black dot on it. When the dot is viewed through the crystal, two dots are seen.
Refraction. The bending of rays of light as they pass from one medium into another, e.g. from air to water, or from air to glass. Reflector ... Refraction. The bending of light rays by the glass element s inside a lens so that they converge and focus on a single plane in side the camera 's film or digital sensor.Scene. The place or environment viewed from camera position.hen light rays change path as they pass through one transparent object, such as a lens element, to the next. REFRACTION. As if this is not enough, there are more problems. When light travels from air to water it slows down as it meets the dense r medium..