資源簡介 1.5認識棱鏡(?https:?/??/?mp.weixin.?/?s?__biz=MzI4NjA0NDk1Nw==&mid=2247491002&idx=8&sn=4490b7dd49766055100c4e338ba19161&chksm=ebe3bbc8dc9432de620f3b4604946db4dad1a90e9db58dcc30dfa779cbd4913fcfec69fc47bc&token=1332842534&lang=zh_CN&scene=21"\l"wechat_redirect"\t"https:?/??/?mp.weixin.?/?_blank?)1.光由空氣斜射入水中時,光的路線會發生變化,這種現象就是光的折射現象。(?https:?/??/?mp.weixin.?/?s?__biz=MzI4NjA0NDk1Nw==&mid=2247491002&idx=8&sn=4490b7dd49766055100c4e338ba19161&chksm=ebe3bbc8dc9432de620f3b4604946db4dad1a90e9db58dcc30dfa779cbd4913fcfec69fc47bc&token=1332842534&lang=zh_CN&scene=21"\l"wechat_redirect"\t"https:?/??/?mp.weixin.?/?_blank?)2.光由空氣斜射入玻璃等其他透明物體時,也能發生折射現象。(?https:?/??/?mp.weixin.?/?s?__biz=MzI4NjA0NDk1Nw==&mid=2247491002&idx=8&sn=4490b7dd49766055100c4e338ba19161&chksm=ebe3bbc8dc9432de620f3b4604946db4dad1a90e9db58dcc30dfa779cbd4913fcfec69fc47bc&token=1332842534&lang=zh_CN&scene=21"\l"wechat_redirect"\t"https:?/??/?mp.weixin.?/?_blank?)3.讓一束白光通過三棱鏡,會發現白光被分解成了紅橙黃綠藍靛紫7種顏色的光。(?https:?/??/?mp.weixin.?/?s?__biz=MzI4NjA0NDk1Nw==&mid=2247491002&idx=8&sn=4490b7dd49766055100c4e338ba19161&chksm=ebe3bbc8dc9432de620f3b4604946db4dad1a90e9db58dcc30dfa779cbd4913fcfec69fc47bc&token=1332842534&lang=zh_CN&scene=21"\l"wechat_redirect"\t"https:?/??/?mp.weixin.?/?_blank?)4.白光是由紅橙黃綠藍靛紫7種顏色的光組成的。(?https:?/??/?mp.weixin.?/?s?__biz=MzI4NjA0NDk1Nw==&mid=2247491002&idx=8&sn=4490b7dd49766055100c4e338ba19161&chksm=ebe3bbc8dc9432de620f3b4604946db4dad1a90e9db58dcc30dfa779cbd4913fcfec69fc47bc&token=1332842534&lang=zh_CN&scene=21"\l"wechat_redirect"\t"https:?/??/?mp.weixin.?/?_blank?)5.通過制作彩色輪活動,懂得色光可以在一定條件下混合成白(?https:?/??/?mp.weixin.?/?s?__biz=MzI4NjA0NDk1Nw==&mid=2247491002&idx=8&sn=4490b7dd49766055100c4e338ba19161&chksm=ebe3bbc8dc9432de620f3b4604946db4dad1a90e9db58dcc30dfa779cbd4913fcfec69fc47bc&token=1332842534&lang=zh_CN&scene=21"\l"wechat_redirect"\t"https:?/??/?mp.weixin.?/?_blank?)光。6.三棱鏡的特點:三棱鏡是透明的玻璃體,具有三條棱,橫截面是三角形。7.彩虹的顏色是紅、橙、黃、綠、藍、靛、紫七種顏色。8.彩虹形成的原理:彩虹,是氣象中的一種光學現象,當太陽光照射到半空中的水滴,光線被折射及反射,在天空上形成拱形的七彩光譜,由外圈至內圈呈紅、橙、黃、綠、藍、靛、紫7種顏色。(?https:?/??/?mp.weixin.?/?s?__biz=MzI4NjA0NDk1Nw==&mid=2247491002&idx=8&sn=4490b7dd49766055100c4e338ba19161&chksm=ebe3bbc8dc9432de620f3b4604946db4dad1a90e9db58dcc30dfa779cbd4913fcfec69fc47bc&token=1332842534&lang=zh_CN&scene=21"\l"wechat_redirect"\t"https:?/??/?mp.weixin.?/?_blank?)9.彩虹的形成就是光的折射現象的一種表現。(?https:?/??/?mp.weixin.?/?s?__biz=MzI4NjA0NDk1Nw==&mid=2247491002&idx=8&sn=4490b7dd49766055100c4e338ba19161&chksm=ebe3bbc8dc9432de620f3b4604946db4dad1a90e9db58dcc30dfa779cbd4913fcfec69fc47bc&token=1332842534&lang=zh_CN&scene=21"\l"wechat_redirect"\t"https:?/??/?mp.weixin.?/?_blank?)10.盡管太陽光用肉眼看上去幾乎是白色的,但它是由許多不同顏色的光組成的。當白光進入棱鏡時,由于不同顏色的光發生折射的程度不一樣,就出現了紅、橙、黃、綠、藍、靛、紫等各種顏色的光。其他物體發出的光也具有不同的混合顏色。(?https:?/??/?mp.weixin.?/?s?__biz=MzI4NjA0NDk1Nw==&mid=2247491002&idx=8&sn=4490b7dd49766055100c4e338ba19161&chksm=ebe3bbc8dc9432de620f3b4604946db4dad1a90e9db58dcc30dfa779cbd4913fcfec69fc47bc&token=1332842534&lang=zh_CN&scene=21"\l"wechat_redirect"\t"https:?/??/?mp.weixin.?/?_blank?) 展開更多...... 收起↑ 資源預覽 當前文檔不提供在線查看服務,請下載使用! 縮略圖、資源來源于二一教育資源庫