Question

En que consiste la refraccion de la luz?

Answer 1

Refracción de la luz es el cambio de dirección que experimenta un rayo al pasar de un medio menos refringente a otro más refringente.Una cuchara introducida parcialmente en el agua, se ve quebrada en la parte donde hace contacto con la superficie del líquido.La refracción de la luz consiste en la desviación de los rayos luminosos cuando ellos pasan de un medio a otro de distinta densidad óptica.Para un observador situado en un medio menos denso, como el aire, un objeto situado en un medio más denso parece estar más cerca de la superficie de separación de lo que está en realidad. Un ejemplo habitual es el de un objeto sumergido, observado desde encima del agua, como se muestra en la figura 3 (sólo se representan rayos oblicuos para ilustrar el fenómeno con más claridad). El rayo DB procedente del punto D del objeto se desvía alejándose de la normal, hacia el punto A. Por ello, el objeto parece situado en C, donde la línea ABC intersecta una línea perpendicular a la superficie del agua y que pasa por D.

Answer 2

Respuesta:

La refracción es el cambio de dirección y velocidad que experimenta una onda al pasar de un medio a otro con distinto índice refractivo. ... También se produce refracción cuando la luz atraviesa capas de aire a distinta temperatura, de la que depende el índice de refracción.

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