{"id":11586,"date":"2021-11-23T21:03:54","date_gmt":"2021-11-23T14:03:54","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=11586"},"modified":"2021-11-23T21:10:30","modified_gmt":"2021-11-23T14:10:30","slug":"ta%cc%a3i-sao-den-ha%cc%a3u-cu%cc%89a-xe-da%cc%a3p-khong-co-bong-den-ma-va%cc%83n-co-the%cc%89-phat-sang","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/ta%cc%a3i-sao-den-ha%cc%a3u-cu%cc%89a-xe-da%cc%a3p-khong-co-bong-den-ma-va%cc%83n-co-the%cc%89-phat-sang\/","title":{"rendered":"Ta\u0323i sao \u0111e\u0300n h\u00e2\u0323u cu\u0309a xe \u0111a\u0323p kh\u00f4ng co\u0301 bo\u0301ng \u0111e\u0300n ma\u0300 v\u00e2\u0303n co\u0301 th\u00ea\u0309 pha\u0301t sa\u0301ng?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Tr\u00ean ca\u0301i ch\u0103\u0301n bu\u0300n phi\u0301a sau cu\u0309a xe \u0111a\u0323p th\u01b0\u01a1\u0300ng co\u0301 l\u0103\u0301p m\u00f4\u0323t chi\u00ea\u0301c \u0111e\u0300n h\u00e2\u0323u ma\u0300u va\u0300ng hay ma\u0300u da cam. B\u00ean trong \u0111e\u0300n h\u00e2\u0323u na\u0300y kh\u00f4ng co\u0301 bo\u0301ng \u0111e\u0300n \u0111i\u00ea\u0323n nh\u01b0 \u01a1\u0309 xe ma\u0301y ho\u0103\u0323c \u00f4t\u00f4, nh\u01b0ng \u0111\u00f4i khi chu\u0301ng ta ca\u0309m th\u00e2\u0301y no\u0301 v\u00e2\u0303n co\u0301 th\u00ea\u0309 pha\u0301t sa\u0301ng \u0111\u01b0\u01a1\u0323c, \u0111\u0103\u0323c bi\u00ea\u0323t la\u0300 va\u0300o ban \u0111\u00eam la\u0323i ca\u0300ng sa\u0301ng ro\u0303 h\u01a1n. Ta\u0323i sao la\u0323i nh\u01b0 v\u00e2\u0323y?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngay t\u01b0\u0300 nh\u01b0\u0303ng n\u0103m 20, 30 cu\u0309a th\u00ea\u0301 ki\u0309 XX, xe \u0111a\u0323p \u0111a\u0303 tr\u01a1\u0309 tha\u0300nh ph\u01b0\u01a1ng ti\u00ea\u0323n \u0111i la\u0323i r\u00e2\u0301t ph\u00f4\u0309 bi\u00ea\u0301n \u01a1\u0309 m\u00f4\u0323t s\u00f4\u0301 tha\u0300nh ph\u00f4\u0301 l\u01a1\u0301n cu\u0309a n\u01b0\u01a1\u0301c Anh. Xe \u0111a\u0323p r\u00e2\u0301t thu\u00e2\u0323n ti\u00ea\u0323n khi \u0111i la\u0323i trong ca\u0301c ngo\u0303 ph\u00f4\u0301 nho\u0309 nh\u01b0ng \u0111\u00f4\u0300ng th\u01a1\u0300i no\u0301 cu\u0303ng g\u00e2y n\u00ean kh\u00f4ng i\u0301t phi\u00ea\u0300n ha\u0300 cho xe \u00f4t\u00f4 khi s\u01b0\u0309 du\u0323ng va\u0300o ban \u0111\u00eam. S\u00f4\u0301 vu\u0323 tai na\u0323n giao th\u00f4ng \u0111a\u0303 tr\u01a1\u0309 n\u00ean nhi\u00ea\u0300u h\u01a1n. Vi\u0300 th\u00ea\u0301 chi\u0301nh phu\u0309 Anh \u0111a\u0303 y\u00eau c\u00e2\u0300u ca\u0301c nha\u0300 sa\u0309n xu\u00e2\u0301t pha\u0309i g\u0103\u0301n \u0111e\u0300n chi\u00ea\u0301u sa\u0301ng \u01a1\u0309 phi\u0301a tr\u01b0\u01a1\u0301c va\u0300 \u0111e\u0300n pha\u0309n quang \u01a1\u0309 phi\u0301a sau xe. Trong \u0111o\u0301 vi\u00ea\u0323c ch\u00ea\u0301 ta\u0323o \u0111e\u0300n pha\u0309n quang la\u0300m cho ca\u0301c nha\u0300 sa\u0309n xu\u00e2\u0301t xe \u0111a\u0323p r\u00e2\u0301t \u0111au \u0111\u00e2\u0300u, vi\u0300 ca\u0301c loa\u0323i ki\u0301nh pha\u0309n quang m\u0103\u0323t ph\u0103\u0309ng th\u00f4ng th\u01b0\u01a1\u0300ng kh\u00f4ng th\u00ea\u0309 pha\u0309n chi\u00ea\u0301u a\u0301nh \u0111e\u0300n \u00f4t\u00f4 tr\u01a1\u0309 la\u0323i \u0111u\u0301ng theo h\u01b0\u01a1\u0301ng chi\u00ea\u0301u t\u01a1\u0301i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Qua qua\u0301 tri\u0300nh nghi\u00ean c\u01b0\u0301u v\u00ea\u0300 nguy\u00ean ly\u0301 pha\u0309n xa\u0323 a\u0301nh sa\u0301ng, cu\u00f4\u0301i cu\u0300ng ca\u0301c nha\u0300 sa\u0309n xu\u00e2\u0301t \u0111a\u0303 ti\u0300m ra m\u00f4\u0323t thi\u00ea\u0301t bi\u0323 pha\u0309n quang li\u0301 t\u01b0\u01a1\u0309ng \u0111o\u0301 chi\u0301nh la\u0300 \u0111e\u0300n pha\u0309n xa\u0323 go\u0301c. B\u00ea\u0300 m\u0103\u0323t cu\u0309a thi\u00ea\u0301t bi\u0323 na\u0300y la\u0300 m\u00f4\u0323t t\u00e2\u0301m thuy\u0309 tinh ph\u0103\u0309ng; b\u00ean trong co\u0301 r\u00e2\u0301t nhi\u00ea\u0300u v\u00e2\u0323t da\u0323ng hi\u0300nh cho\u0301p no\u0301n. M\u00f4\u0303i hi\u0300nh cho\u0301p no\u0301n g\u00f4\u0300m 3 m\u0103\u0323t hi\u0300nh cho\u0301p va\u0301t go\u0301c ta\u0323o l\u00ean; ta\u0323o tha\u0300nh 3 m\u0103\u0323t pha\u0309n quang. Do 3 m\u0103\u0323t pha\u0309n quang cu\u0309a \u0111e\u0300n pha\u0309n xa\u0323 go\u0301c vu\u00f4ng go\u0301c v\u01a1\u0301i nhau l\u00ean khi a\u0301nh sa\u0301ng chi\u00ea\u0301u qua l\u01a1\u0301p thuy\u0309 tinh \u01a1\u0309 b\u00ea\u0300 m\u0103\u0323t t\u01b0\u0300 mo\u0323i go\u0301c \u0111\u00f4\u0323 a\u0301nh sa\u0301ng pha\u0309n xa\u0323 v\u00e2\u0303n co\u0301 th\u00ea\u0309 quay tr\u01a1\u0309 la\u0323i theo \u0111u\u0301ng h\u01b0\u01a1\u0301ng chi\u00ea\u0301u t\u01a1\u0301i. \u0110i\u00ea\u0300u na\u0300y giu\u0301p cho la\u0301i xe \u00f4t\u00f4 va\u0300 ca\u0301c ph\u01b0\u01a1ng ti\u00ea\u0323n kha\u0301c \u01a1\u0309 phi\u0301a sau xe \u0111a\u0323p co\u0301 th\u00ea\u0309 nhi\u0300n th\u00e2\u0301y a\u0301nh sa\u0301ng pha\u0309n xa\u0323 t\u01b0\u0300 mo\u0323i go\u0301c \u0111\u00f4\u0323. H\u01a1n n\u01b0\u0303a l\u01a1\u0301p thuy\u0309 tinh b\u00ean ngoa\u0300i \u0111e\u0300n pha\u0309n xa\u0323 \u0111\u00ea\u0300u co\u0301 ma\u0300u \u0111o\u0309 hay ma\u0300u da cam. Do a\u0301nh sa\u0301ng ma\u0300u va\u0300ng, ma\u0300u da cam hay ma\u0300u \u0111o\u0309 co\u0301 ti\u0301nh xuy\u00ean th\u00e2\u0301u r\u00e2\u0301t ma\u0323nh n\u00ean d\u00ea\u0303 thu hu\u0301t s\u01b0\u0323 chu\u0301 y\u0301 cu\u0309a m\u0103\u0301t ng\u01b0\u01a1\u0300i. Ngoa\u0300i ra thuy\u0309 tinh co\u0301 ma\u0300u \u0111o\u0309 t\u01b0\u01a1ng \u0111\u00f4\u0301i \u0111e\u0323p, \u0111e\u0300n pha\u0309n quang la\u0300m b\u0103\u0300ng ch\u00e2\u0301t li\u00ea\u0323u na\u0300y co\u0300n la\u0300 m\u00f4\u0323t v\u00e2\u0323t trang tri\u0301 r\u00e2\u0301t t\u00f4\u0301t cho xe.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u0103\u0323c ti\u0301nh quang ho\u0323c cu\u0309a \u0111e\u0300n pha\u0309n quang \u0111a\u0303 thu hu\u0301t \u0111\u01b0\u01a1\u0323c s\u01b0\u0323 quan t\u00e2m cu\u0309a ca\u0301c nha\u0300 khoa ho\u0323c; chu\u0301ng \u0111a\u0303 \u0111\u01b0\u01a1\u0323c \u01b0\u0301ng du\u0323ng trong hoa\u0323t \u0111\u00f4\u0323ng th\u0103m do\u0300 vu\u0303 tru\u0323. Ng\u01b0\u01a1\u0300i ta l\u0103\u0301p ca\u0301c ma\u0301y pha\u0309n xa\u0323 la\u0300m t\u01b0\u0300 tha\u0323ch anh l\u00ean v\u00ea\u0323 tinh nh\u00e2n ta\u0323o va\u0300 \u0111\u0103\u0323t l\u00ean nh\u01b0\u0303ng \u0111i\u0323a \u0111i\u00ea\u0309m kha\u0301c nhau tr\u00ean m\u0103\u0323t tr\u0103ng. Khi ng\u01b0\u01a1\u0300i ta pha\u0301t a\u0301nh sa\u0301ng t\u01b0\u0300 Tra\u0301i \u0110\u00e2\u0301t l\u00ean nh\u01b0\u0303ng ma\u0301y pha\u0309n xa\u0323 na\u0300y se\u0303 pha\u0309n xa\u0323 a\u0301nh sa\u0301ng quay tr\u01a1\u0309 la\u0323i ma\u0301y pha\u0301t. Nh\u01a1\u0300 \u0111o\u0301 ca\u0301c nha\u0300 khoa ho\u0323c \u0111a\u0303 ti\u00ea\u0301n ha\u0300nh nghi\u00ean c\u01b0\u0301u khoa ho\u0323c v\u00ea\u0300 vu\u0303 tru\u0323. T\u01b0\u0300 \u0111o\u0301 ta co\u0301 th\u00ea\u0309 th\u00e2\u0301y m\u0103\u0323c du\u0300 ca\u0301c du\u0323ng cu\u0323 pha\u0309n xa\u0323 tuy nho\u0309 nh\u01b0ng co\u0301 kha\u0309 n\u0103ng pha\u0309n xa\u0323 r\u00e2\u0301t l\u01a1\u0301n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tr\u00ean ca\u0301i ch\u0103\u0301n bu\u0300n phi\u0301a sau cu\u0309a xe \u0111a\u0323p th\u01b0\u01a1\u0300ng co\u0301 l\u0103\u0301p m\u00f4\u0323t chi\u00ea\u0301c \u0111e\u0300n h\u00e2\u0323u ma\u0300u va\u0300ng hay ma\u0300u da cam. B\u00ean trong \u0111e\u0300n h\u00e2\u0323u na\u0300y kh\u00f4ng co\u0301 bo\u0301ng \u0111e\u0300n \u0111i\u00ea\u0323n nh\u01b0 \u01a1\u0309 xe ma\u0301y ho\u0103\u0323c \u00f4t\u00f4, nh\u01b0ng \u0111\u00f4i khi chu\u0301ng ta ca\u0309m th\u00e2\u0301y no\u0301 v\u00e2\u0303n co\u0301 th\u00ea\u0309 pha\u0301t sa\u0301ng \u0111\u01b0\u01a1\u0323c, \u0111\u0103\u0323c bi\u00ea\u0323t la\u0300 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[1,15],"tags":[],"class_list":["post-11586","post","type-post","status-publish","format-standard","hentry","category-general","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=11586"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11586\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=11586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=11586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=11586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}