{"id":39582,"date":"2019-09-15T21:13:38","date_gmt":"2019-09-15T20:13:38","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/que-es-la-ley-de-planck-hipotesis-de-planck-definicion\/"},"modified":"2020-01-06T08:40:40","modified_gmt":"2020-01-06T07:40:40","slug":"que-es-la-ley-de-planck-hipotesis-de-planck-definicion","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/es\/que-es-la-ley-de-planck-hipotesis-de-planck-definicion\/","title":{"rendered":"Qu\u00e9 es la Ley de Planck &#8211; Hip\u00f3tesis de Planck &#8211; Definici\u00f3n"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">La ley de Planck es un resultado pionero de la f\u00edsica moderna y la teor\u00eda cu\u00e1ntica.\u00a0La hip\u00f3tesis de Planck establece que la energ\u00eda se irradia y se absorbe en discretos &#8220;cuantos&#8221;<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>Ley de Planck &#8211; Hip\u00f3tesis de Planck<\/h2>\n<p>La\u00a0<a title=\"Ley de Stefan-Boltzmann - Constante de Stefan-Boltzmann\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/heat-transfer\/radiation-heat-transfer\/stefan-boltzmann-law-stefan-boltzmann-constant\/\">ley de Stefan-Boltzmann<\/a>\u00a0determina el poder emisivo total del cuerpo negro, E\u00a0<sub>b<\/sub>\u00a0, que es la suma de la radiaci\u00f3n emitida en todas las longitudes de onda.\u00a0La ley de Planck describe el espectro de\u00a0<a title=\"Radiaci\u00f3n de cuerpo negro\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/heat-transfer\/radiation-heat-transfer\/blackbody-radiation\/\">la radiaci\u00f3n<\/a>\u00a0del\u00a0<a title=\"Radiaci\u00f3n de cuerpo negro\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/heat-transfer\/radiation-heat-transfer\/blackbody-radiation\/\">cuerpo negro<\/a>\u00a0, que depende solo de la temperatura del objeto y relaciona el poder\u00a0<sub>emisor<\/sub>\u00a0espectral del cuerpo negro, E\u00a0<sub>b\u03bb<\/sub>\u00a0.\u00a0Esta ley lleva el nombre del f\u00edsico te\u00f3rico alem\u00e1n Max Planck, quien la propuso en 1900.\u00a0<b>La ley de Planck<\/b>\u00a0es un resultado pionero de la f\u00edsica moderna y la teor\u00eda cu\u00e1ntica.\u00a0<strong>La hip\u00f3tesis de Planck de<\/strong>\u00a0que la energ\u00eda se irradia y se absorbe en\u00a0<strong>&#8220;cuantos&#8221; discretos<\/strong>\u00a0(o paquetes de energ\u00eda) coincidieron con precisi\u00f3n con los patrones observados de la radiaci\u00f3n del cuerpo negro y resolvieron la cat\u00e1strofe ultravioleta.<\/p>\n<p>Usando esta hip\u00f3tesis, Planck demostr\u00f3 que la radiaci\u00f3n espectral de un cuerpo para la frecuencia \u03bd a temperatura absoluta T viene dada por:<\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/plancks-law-equation.png\"><img loading=\"lazy\" class=\"size-full wp-image-21000 aligncenter lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/plancks-law-equation.png\" alt=\"ley de plancks - ecuaci\u00f3n\" width=\"279\" height=\"93\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/plancks-law-equation.png\" \/><\/a>d\u00f3nde<\/p>\n<ul>\n<li><strong><em>B\u00a0<sub>\u03bd<\/sub>\u00a0(v, T)<\/em><\/strong>\u00a0es la radiancia espectral (la potencia por unidad de \u00e1ngulo s\u00f3lido y por unidad de \u00e1rea normal a la propagaci\u00f3n) densidad de frecuencia<i>\u00a0\u03bd<\/i>\u00a0radiaci\u00f3n por unidad de frecuencia en equilibrio t\u00e9rmico a temperatura T<\/li>\n<li><strong>h<\/strong>\u00a0es la constante de Planck<\/li>\n<li><b>c<\/b>\u00a0es la velocidad de la luz en el vac\u00edo<\/li>\n<li><strong>k\u00a0<sub>B<\/sub><\/strong>\u00a0es la constante de Boltzmann<\/li>\n<li><b><i>\u03bd<\/i><\/b>\u00a0es la frecuencia de la radiaci\u00f3n electromagn\u00e9tica<\/li>\n<li><b>T<\/b>\u00a0es la temperatura absoluta del cuerpo<\/li>\n<\/ul>\n<p>La\u00a0<b>ley de Planck<\/b>\u00a0tiene las siguientes caracter\u00edsticas importantes:<\/p>\n<ul>\n<li>La radiaci\u00f3n emitida var\u00eda continuamente con la longitud de onda.<\/li>\n<li><span><span>A cualquier longitud de onda, la magnitud de la radiaci\u00f3n emitida aumenta con el aumento de la temperatura.<\/span><\/span><\/li>\n<li><span><span>La regi\u00f3n espectral en la que se concentra la radiaci\u00f3n depende de la temperatura, y comparativamente aparece m\u00e1s radiaci\u00f3n a longitudes de onda m\u00e1s cortas a medida que aumenta la temperatura (\u00a0<\/span><\/span><b><span><span>Ley de desplazamiento de Wien<\/span><\/span><\/b><span><span>\u00a0).<\/span><\/span><\/li>\n<\/ul>\n<\/div>\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Este art\u00edculo se basa en la traducci\u00f3n autom\u00e1tica del art\u00edculo original en ingl\u00e9s. Para m\u00e1s informaci\u00f3n vea el art\u00edculo en ingl\u00e9s. Puedes ayudarnos. Si desea corregir la traducci\u00f3n, env\u00edela a: translations@nuclear-power.com o complete el formulario de traducci\u00f3n en l\u00ednea. Agradecemos su ayuda, actualizaremos la traducci\u00f3n lo antes posible. Gracias.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>La ley de Planck es un resultado pionero de la f\u00edsica moderna y la teor\u00eda cu\u00e1ntica.\u00a0La hip\u00f3tesis de Planck establece que la energ\u00eda se irradia y se absorbe en discretos &#8220;cuantos&#8221; Ley de Planck &#8211; Hip\u00f3tesis de Planck La\u00a0ley de Stefan-Boltzmann\u00a0determina el poder emisivo total del cuerpo negro, E\u00a0b\u00a0, que es la suma de la &#8230; <a title=\"Qu\u00e9 es la Ley de Planck &#8211; Hip\u00f3tesis de Planck &#8211; Definici\u00f3n\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/es\/que-es-la-ley-de-planck-hipotesis-de-planck-definicion\/\" aria-label=\"M\u00e1s en Qu\u00e9 es la Ley de Planck &#8211; Hip\u00f3tesis de Planck &#8211; Definici\u00f3n\">Leer m\u00e1s<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[16],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Qu\u00e9 es la Ley de Planck - Hip\u00f3tesis de Planck - Definici\u00f3n<\/title>\n<meta name=\"description\" content=\"La ley de Planck es un resultado pionero de la f\u00edsica moderna y la teor\u00eda cu\u00e1ntica. 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