翻訳と辞書
Words near each other
・ Light as a Feather
・ Light as a feather, stiff as a board
・ Light Asylum
・ Light at Days End
・ Light at the End
・ Light at the End of the Kennel
・ Light at the End of the Tunnel
・ Light at the End of the Tunnel (disambiguation)
・ Light at the End of the Tunnel (musical number)
・ Light at the End of the Tunnel (song)
・ Light at the End of the World
・ Light at the End of the World Live
・ Light Attack/Armed Reconnaissance
・ Light ball
・ Light barrier
Light beam
・ Light bearer
・ Light beer
・ Light bending
・ Light Blast
・ Light Blue
・ Light blue
・ Light Blue (fragrance)
・ Light Blue Line (Bangkok Rapid Transit)
・ Light Blue Sun
・ Light board operator
・ Light Bobs
・ Light bomber
・ Light booth
・ Light Brigade


Dictionary Lists
翻訳と辞書 辞書検索 [ 開発暫定版 ]
スポンサード リンク

Light beam : ウィキペディア英語版
Light beam

A light beam or beam of light is a directional projection of light energy radiating from a light source. Sunlight forms a light beam (a sunbeam) when filtered through media such as clouds, foliage, or windows. To artificially produce a light beam, a lamp and a parabolic reflector is used in many lighting devices such as spotlights, car headlights, PAR Cans and LED housings. Light from certain types of laser has the smallest possible beam divergence.
==Visible light beams==

From the side, a beam of light is only visible if part of the light is scattered by objects: tiny particles like dust, water droplets (mist, fog, rain), hail, snow, or smoke, or larger objects such as birds. If there are many objects in the light path, then it appears as a continuous beam, but if there are only a few objects, then the light is visible as a few individual bright points. In any case, this scattering of light from a beam, and the resultant visibility of a light beam from the side, is known as the Tyndall effect.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Light beam」の詳細全文を読む



スポンサード リンク
翻訳と辞書 : 翻訳のためのインターネットリソース

Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.