{"id":80946,"date":"2024-01-14T13:22:24","date_gmt":"2024-01-14T13:22:24","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/difracao-e-dispersao\/"},"modified":"2024-01-20T10:13:07","modified_gmt":"2024-01-20T10:13:07","slug":"difracao-e-dispersao","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/","title":{"rendered":"Difra\u00e7\u00e3o e dispers\u00e3o"},"content":{"rendered":"<h2>Difra\u00e7\u00e3o e Espalhamento: Uma Vis\u00e3o Detalhada<\/h2>\n<h2>Difra\u00e7\u00e3o<\/h2>\n<p>A difra\u00e7\u00e3o \u00e9 um fen\u00f4meno que ocorre quando uma onda, como uma onda eletromagn\u00e9tica, encontra um obst\u00e1culo ou abertura cujo tamanho \u00e9 compar\u00e1vel ou menor que seu comprimento de onda. Esse encontro resulta na curvatura e dispers\u00e3o da onda, gerando um novo padr\u00e3o de onda. Um exemplo cl\u00e1ssico desse fen\u00f4meno \u00e9 observado quando a luz passa por uma fenda pequena ou uma grade, criando padr\u00f5es de regi\u00f5es claras e escuras.<\/p>\n<p>Este fen\u00f4meno \u00e9 explicado pela natureza ondulat\u00f3ria da luz, utilizando o princ\u00edpio de Huygens. Esse princ\u00edpio afirma que cada ponto em uma frente de onda atua como fonte de ond\u00edculas secund\u00e1rias. Quando uma onda passa por uma abertura ou contorna um obst\u00e1culo, as ond\u00edculas secund\u00e1rias geradas nas bordas interferem entre si, levando ao padr\u00e3o de difra\u00e7\u00e3o observado.<\/p>\n<h2>Espalhamento<\/h2>\n<p>O espalhamento ocorre quando ondas s\u00e3o redirecionadas em v\u00e1rias dire\u00e7\u00f5es ao interagir com part\u00edculas, mol\u00e9culas ou irregularidades em um meio. Esse fen\u00f4meno \u00e9 observado quando o tamanho das part\u00edculas ou irregularidades \u00e9 compar\u00e1vel ou maior que o comprimento de onda das ondas incidentes. O espalhamento \u00e9 respons\u00e1vel por v\u00e1rios fen\u00f4menos, como a cor azul do c\u00e9u (espalhamento de Rayleigh), a cor avermelhada dos pores do sol (espalhamento de Mie) e a dispers\u00e3o de raios-X em cristalografia (espalhamento de Bragg).<\/p>\n<p>O espalhamento pode ser classificado em v\u00e1rios tipos, dependendo do tamanho das part\u00edculas ou do comprimento de onda das ondas incidentes. Cada tipo de espalhamento tem caracter\u00edsticas distintas e \u00e9 respons\u00e1vel por diferentes fen\u00f4menos na natureza.<\/p>\n<h2>Conclus\u00e3o<\/h2>\n<p>Embora ambos os fen\u00f4menos envolvam a curvatura, redirecionamento e dispers\u00e3o de ondas, a difra\u00e7\u00e3o geralmente ocorre quando ondas interagem com obst\u00e1culos ou aberturas cujo tamanho \u00e9 compar\u00e1vel ou menor que seu comprimento de onda. Por outro lado, o espalhamento ocorre quando as ondas interagem com part\u00edculas ou irregularidades em um meio cujo tamanho \u00e9 compar\u00e1vel ou maior que o comprimento de onda. A compreens\u00e3o desses fen\u00f4menos \u00e9 essencial para entender a propaga\u00e7\u00e3o e intera\u00e7\u00e3o das ondas em diversos contextos e aplica\u00e7\u00f5es.<\/p>\n<h2>Artigo Seguinte<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png\" alt=\"\" \/><\/p>\n<div style=\"text-align: center; font-size: 20px;\">\n    <a href=\"https:\/\/www.electricity-magnetism.org\/diffraction-and-scattering\/\">Original Article<\/a>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Difra\u00e7\u00e3o e espalhamento s\u00e3o dois fen\u00f4menos que descrevem a intera\u00e7\u00e3o de ondas, como ondas eletromagn\u00e9ticas, com obst\u00e1culos, part\u00edculas ou aberturas.<\/p>\n","protected":false},"author":1,"featured_media":1581,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[14],"tags":[],"class_list":["post-80946","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nao-categorizado","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Difra\u00e7\u00e3o e dispers\u00e3o<\/title>\n<meta name=\"description\" content=\"Difra\u00e7\u00e3o e espalhamento s\u00e3o dois fen\u00f4menos que descrevem a intera\u00e7\u00e3o de ondas, como ondas eletromagn\u00e9ticas, com obst\u00e1culos, part\u00edculas ou aberturas.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Difra\u00e7\u00e3o e dispers\u00e3o\" \/>\n<meta property=\"og:description\" content=\"Difra\u00e7\u00e3o e espalhamento s\u00e3o dois fen\u00f4menos que descrevem a intera\u00e7\u00e3o de ondas, como ondas eletromagn\u00e9ticas, com obst\u00e1culos, part\u00edculas ou aberturas.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/\" \/>\n<meta property=\"og:site_name\" content=\"Electricity - Magnetism\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-14T13:22:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-01-20T10:13:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png\" \/>\n\t<meta property=\"og:image:width\" content=\"200\" \/>\n\t<meta property=\"og:image:height\" content=\"200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Matan\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/#website\",\"url\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/\",\"name\":\"Electricity - Magnetism\",\"description\":\"All about electricity and magnetism.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-BR\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/#primaryimage\",\"inLanguage\":\"pt-BR\",\"url\":\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png\",\"contentUrl\":\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png\",\"width\":200,\"height\":200,\"caption\":\"Eletromagnetismo\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/#webpage\",\"url\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/\",\"name\":\"Difra\\u00e7\\u00e3o e dispers\\u00e3o\",\"isPartOf\":{\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/#primaryimage\"},\"datePublished\":\"2024-01-14T13:22:24+00:00\",\"dateModified\":\"2024-01-20T10:13:07+00:00\",\"author\":{\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/#\/schema\/person\/68f28ba0ad08ef355b436c5222a40b29\"},\"description\":\"Difra\\u00e7\\u00e3o e espalhamento s\\u00e3o dois fen\\u00f4menos que descrevem a intera\\u00e7\\u00e3o de ondas, como ondas eletromagn\\u00e9ticas, com obst\\u00e1culos, part\\u00edculas ou aberturas.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/#breadcrumb\"},\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/electricity-magnetism-page\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Difra\\u00e7\\u00e3o e dispers\\u00e3o\"}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/#\/schema\/person\/68f28ba0ad08ef355b436c5222a40b29\",\"name\":\"Matan\",\"url\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/author\/matan\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Difra\u00e7\u00e3o e dispers\u00e3o","description":"Difra\u00e7\u00e3o e espalhamento s\u00e3o dois fen\u00f4menos que descrevem a intera\u00e7\u00e3o de ondas, como ondas eletromagn\u00e9ticas, com obst\u00e1culos, part\u00edculas ou aberturas.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/","og_locale":"pt_BR","og_type":"article","og_title":"Difra\u00e7\u00e3o e dispers\u00e3o","og_description":"Difra\u00e7\u00e3o e espalhamento s\u00e3o dois fen\u00f4menos que descrevem a intera\u00e7\u00e3o de ondas, como ondas eletromagn\u00e9ticas, com obst\u00e1culos, part\u00edculas ou aberturas.","og_url":"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/","og_site_name":"Electricity - Magnetism","article_published_time":"2024-01-14T13:22:24+00:00","article_modified_time":"2024-01-20T10:13:07+00:00","og_image":[{"width":200,"height":200,"url":"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"Matan","Est. tempo de leitura":"2 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebSite","@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/#website","url":"https:\/\/www.electricity-magnetism.org\/pt-br\/","name":"Electricity - Magnetism","description":"All about electricity and magnetism.","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.electricity-magnetism.org\/pt-br\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"pt-BR"},{"@type":"ImageObject","@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/#primaryimage","inLanguage":"pt-BR","url":"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png","contentUrl":"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png","width":200,"height":200,"caption":"Eletromagnetismo"},{"@type":"WebPage","@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/#webpage","url":"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/","name":"Difra\u00e7\u00e3o e dispers\u00e3o","isPartOf":{"@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/#primaryimage"},"datePublished":"2024-01-14T13:22:24+00:00","dateModified":"2024-01-20T10:13:07+00:00","author":{"@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/#\/schema\/person\/68f28ba0ad08ef355b436c5222a40b29"},"description":"Difra\u00e7\u00e3o e espalhamento s\u00e3o dois fen\u00f4menos que descrevem a intera\u00e7\u00e3o de ondas, como ondas eletromagn\u00e9ticas, com obst\u00e1culos, part\u00edculas ou aberturas.","breadcrumb":{"@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/#breadcrumb"},"inLanguage":"pt-BR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/difracao-e-dispersao\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.electricity-magnetism.org\/pt-br\/electricity-magnetism-page\/"},{"@type":"ListItem","position":2,"name":"Difra\u00e7\u00e3o e dispers\u00e3o"}]},{"@type":"Person","@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/#\/schema\/person\/68f28ba0ad08ef355b436c5222a40b29","name":"Matan","url":"https:\/\/www.electricity-magnetism.org\/pt-br\/author\/matan\/"}]}},"_links":{"self":[{"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/posts\/80946","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/comments?post=80946"}],"version-history":[{"count":0,"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/posts\/80946\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/media\/1581"}],"wp:attachment":[{"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/media?parent=80946"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/categories?post=80946"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/tags?post=80946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}