What causes the colors in a rainbow? A. The reflection of sunlight. B. The refraction of sunlight. C. The absorption of sunlight. D. The scattering of sunlight. 相关知识点: 试题来源: 解析 B。本题考查彩虹形成的原理。阳光的折射导致了彩虹中颜色的出现,A 选项反射,C 选项吸收,D 选项散射都...
What causes a rainbow? A. There are many balloons. B. The sun shines through the rain. C. The birds build nests. 相关知识点: 试题来源: 解析 B。选项 A 有很多气球与彩虹的形成无关。选项 C 鸟儿筑巢也不是彩虹的成因。选项 B 的意思是太阳透过雨照射,这会形成彩虹。
Different colors of light have different frequencies, which causes them to travel at different speeds when they move through matter. A color that travels more slowly in glass will bend more sharply when it passes from air to glass, because the speed difference is more severe. A color that ...
The final notes of the song, following the words “why, oh why can’t I,” end on a high C, once again representing Oz and foreshadowing Dorothy’s journey into fantasy. The progression of the song causes the listener to feel the same yearning Dorothy feels. As Yip Harburg, who wrote ...
The shape of a rainbow is a result of therefractive indexof water. This causes the sunlight to be reflected off rain droplets within a limited range of angles that lie between 0° and 42°. Most of the light is cast back at you in an angular range from 40° for violet light to 42...
angle of 42 degrees.If you draw an imaginary line from your eyes to the rainbow, and then back to the sun, that angle will always be 42 degrees. However, the sun has to be behind you, not in front of you, because the light gets refracted back in the general direction it came from...
9.Whatcausesthepopularityofblue-light-blocking glasses? A.Evidenceoftheirbenefitstoeyes. B.Beliefinbluelight?sharmfuleffect. C.Widespreaduseofsmartdevices. D.Scientificunderstandingofbluelight. 10.WhatcanbeinferredfromParagraph4? A.Bluelightexposureishardlyavoidable. B.Eyeproblemsarenoteasytodealwith. C...
a严格要求学生并使课生动 Requests the student strictly and causes the class to be vivid [translate] a省流量 Province current capacity[translate] aHiddenPeak HiddenPeak[translate] a屏盗碑 The screen robs the tablet[translate] aFlexible shaft-motor coupling must be provided, suitable for FVD drive....
DReflection as well as refraction Submit DDispersion, scattering and total internal reflection Submit How many colours are present in a rainbow ? Name them. View Solution Under what condition does the formation of rainbow occur ? View Solution ...
The Causes and Colors of a Rainbow The rainbow colors most commonly given include the following seven distinct hues:Red, orange, yellow, green, blue, indigo and violet.The red is on the outside of the arch. This is easily remembered using the old mnemonic "Roy G. Biv," but feel free ...