{"id":3740,"date":"2018-02-13T18:04:35","date_gmt":"2018-02-13T18:04:35","guid":{"rendered":"http:\/\/fisicaevestibular.com.br\/novo\/?page_id=3740"},"modified":"2024-08-21T13:14:11","modified_gmt":"2024-08-21T13:14:11","slug":"resolucao-comentada-optica-geometrica-lentes-construcao-geometrica-de-imagens","status":"publish","type":"page","link":"https:\/\/fisicaevestibular.com.br\/novo\/enem\/optica-geometrica-lentes-construcao-geometrica-de-imagens\/resolucao-comentada-optica-geometrica-lentes-construcao-geometrica-de-imagens\/","title":{"rendered":"\u00d3ptica Geom\u00e9trica &#8211; Lentes \u2013 Constru\u00e7\u00e3o geom\u00e9trica de Imagens &#8211; Resolu\u00e7\u00e3o"},"content":{"rendered":"<p align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: large;\"><b>Resolu\u00e7\u00e3o Comentada<\/b><\/span><\/span><\/span><b> <\/b><\/p>\n<p align=\"CENTER\"><span style=\"color: #0000cc;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: large;\"><b>\u00d3ptica Geom\u00e9trica<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"color: #c00000;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: large;\"><b>Lentes \u2013 Constru\u00e7\u00e3o geom\u00e9trica de Imagens<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\">\u00a0<\/span><\/p>\n<p><span style=\"color: #0000cc;\">\u00a0<\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: large;\"><b>01-<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #ff0000;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: medium;\"><b>R- C<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0 <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>&#8212;\u00a0 leia informa\u00e7\u00f5es abaixo:\u00a0<\/b><\/span><\/span><\/span><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/migracao\/enem\/28\/ENEM28_html_1daed66a.jpg\" alt=\"\" width=\"26\" height=\"12\" name=\"Imagem 26\" align=\"BOTTOM\" border=\"0\" \/><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Lente &#8211;\u00a0Dispositivo feito de material homog\u00eaneo e transparente no qual uma das superf\u00edcies \u00e9 plana e a outra esf\u00e9rica ou as duas superf\u00edcies s\u00e3o esf\u00e9ricas.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Ser\u00e3o chamadas lentes delgadas quando sua espessura for desprez\u00edvel em rela\u00e7\u00e3o ao seu raio de curvatura que \u00e9 o raio da(s) circunfer\u00eancias que as geraram..\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/b><\/span><\/span><\/span><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/migracao\/enem\/28\/ENEM28_html_1daed66a.jpg\" alt=\"\" width=\"26\" height=\"12\" name=\"Imagem 27\" align=\"BOTTOM\" border=\"0\" \/><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>S\u00e3o:<\/b><\/span><\/span><\/span><\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/migracao\/enem\/28\/ENEM28_html_29624e8a.jpg\" alt=\"\" width=\"781\" height=\"162\" name=\"Imagem 28\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/migracao\/enem\/28\/ENEM28_html_1daed66a.jpg\" alt=\"\" width=\"26\" height=\"12\" name=\"Imagem 29\" align=\"BOTTOM\" border=\"0\" \/><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Como normalmente temos lentes de vidro imersas no ar, ent\u00e3o, neste caso, as lentes de bordas (extremidades) finas s\u00e3o lentes convergentes e lentes de extremidades grossas s\u00e3o lentes divergentes.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: large;\"><b>02-<\/b><\/span><\/span><\/span><b> <\/b><span style=\"color: #ff0000;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: medium;\"><b>R- B<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0 <\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>&#8212;\u00a0 veja todos os casos de constru\u00e7\u00f5es geom\u00e9tricas abaixo:<\/b><\/span><\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/migracao\/enem\/28\/ENEM28_html_52181b32.jpg\" alt=\"\" width=\"780\" height=\"439\" name=\"Imagem 30\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: large;\"><b>03-<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Veja os casos do exerc\u00edcio anterior e a figura abaixo<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/migracao\/enem\/28\/ENEM28_html_691e35a.jpg\" alt=\"\" width=\"532\" height=\"172\" name=\"Imagem 31\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #ff0000;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: medium;\"><b>R- C<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>04-\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Se a imagem \u00e9 n\u00edtida e o objeto est\u00e1 muito afastado (no infinito, os raios de luz incidem paralelamente ao eixo principal)), a linha tracejada est\u00e1 sobre o foco da lente (todo raio de luz que incide paralelamente ao eixo principal atravessa a lente, todos eles passando pelo foco)\u00a0 &#8212;\u00a0\u00a0observe que na alternativa B a imagem tem o mesmo tamanho que o objeto e \u00e9 invertida)\u00a0 &#8212;\u00a0 veja nos casos de constru\u00e7\u00e3o de imagens em exerc\u00edcios anteriores que, nesse caso, a imagem est\u00e1 sob o ponto anti-pricipal, de dist\u00e2ncia igual ao dobro da dist\u00e2ncia focal\u00a0 &#8212;\u00a0\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: medium;\"><b>R- B<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: large;\"><b>05-<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Como a lente \u00e9 divergente, os prolongamentos dos raios refratados devem passar por F\u2019<\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/migracao\/enem\/28\/ENEM28_html_68dacc56.jpg\" alt=\"\" width=\"508\" height=\"225\" name=\"Imagem 32\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #ff0000;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: medium;\"><b>R- B<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: large;\"><b>06-<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>A lente \u00e9 convergente (bordas finas) e o objeto est\u00e1 entre o foco e a lente e, tra\u00e7ando os raios <\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/migracao\/enem\/28\/ENEM28_html_2e0ecfd.jpg\" alt=\"\" width=\"526\" height=\"218\" name=\"Imagem 33\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>de luz, a imagem estar\u00e1 mais pr\u00f3xima de Q\u00a0 &#8212;\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #ff0000;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: medium;\"><b>R- B<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: large;\"><b>07-<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>I- Trata-se de um espelho esf\u00e9rico c\u00f4ncavo com o objeto entre o foco e o espelho, que fornece uma imagem virtual, direita e maior que o objeto.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>II- Trata-se de um espelho esf\u00e9rico convexo que fornece uma imagem virtual, direita e menor que o objeto.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>III- Trata-se de uma imagem real, pois \u00e9 projetada.<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #ff0000;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: medium;\"><b>R- B<\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #c00000;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: large;\"><b>08-<\/b><\/span><\/span><\/span><span style=\"color: #c00000;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>Lente L<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>1<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0 &#8212;\u00a0 tra\u00e7ando os raios de luz not\u00e1veis voc\u00ea determina a primeira imagem A\u2019B\u2019 (real, <\/b><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/fisicaevestibular.com.br\/novo\/wp-content\/uploads\/migracao\/enem\/28\/ENEM28_html_ac8b1221.jpg\" alt=\"\" width=\"650\" height=\"216\" name=\"Imagem 34\" align=\"BOTTOM\" border=\"0\" \/><\/p>\n<p><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>invertida e maior) fornecida pela lente L<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>1<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0 &#8212;\u00a0 essa imagem A\u2019B\u2019 agora \u00e9 objeto para a segunda lente L<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0 &#8212;\u00a0 tra\u00e7ando os novos raios not\u00e1veis\u00a0 voc\u00ea determina a imagem final A\u2019\u2019B\u2019\u2019 fornecida pela lente L<\/b><\/span><\/span><\/span><span style=\"color: #0000cc;\"><sub><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>2<\/b><\/span><\/span><\/sub><\/span><span style=\"color: #0000cc;\"><span style=\"font-family: Arial, serif;\"><span style=\"font-size: medium;\"><b>\u00a0e que \u00e9 vista como sendo real, direita e maior em rela\u00e7\u00e3o ao objeto original.\u00a0 <\/b><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #ff0000;\"><span style=\"font-family: Arial\\ Black, serif;\"><span style=\"font-size: medium;\"><b>R- C<\/b><\/span><\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><a title=\"\u00d3ptica Geom\u00e9trica \u2013 Lentes \u2013 Constru\u00e7\u00e3o geom\u00e9trica de Imagens\" href=\"http:\/\/fisicaevestibular.com.br\/novo\/enem\/optica-geometrica-lentes-construcao-geometrica-de-imagens\/\"><span style=\"color: #000080;\">Voltar para os exerc\u00edcios<\/span><\/a><\/h3>\n","protected":false},"excerpt":{"rendered":"<p>Resolu\u00e7\u00e3o Comentada \u00d3ptica Geom\u00e9trica Lentes \u2013 Constru\u00e7\u00e3o geom\u00e9trica de Imagens \u00a0 \u00a001- R- C\u00a0 &#8212;\u00a0 leia informa\u00e7\u00f5es abaixo:\u00a0 Lente &#8211;\u00a0Dispositivo feito de material homog\u00eaneo e transparente no qual uma das superf\u00edcies \u00e9 plana e a outra esf\u00e9rica ou as duas superf\u00edcies s\u00e3o esf\u00e9ricas. Ser\u00e3o chamadas lentes delgadas quando sua espessura for desprez\u00edvel em rela\u00e7\u00e3o ao seu raio de curvatura que<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3738,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-3740","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/3740","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/comments?post=3740"}],"version-history":[{"count":2,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/3740\/revisions"}],"predecessor-version":[{"id":10702,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/3740\/revisions\/10702"}],"up":[{"embeddable":true,"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/pages\/3738"}],"wp:attachment":[{"href":"https:\/\/fisicaevestibular.com.br\/novo\/wp-json\/wp\/v2\/media?parent=3740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}