Mute
Com.Ciência.Gaia
Quando você olha para objetos através de um copo com água, nada ali está “se movendo de verdade”. O que muda é o caminho que a luz percorre até chegar aos seus olhos. O copo de vidro cheio de água funciona como uma lente cilíndrica, porque suas paredes são curvas. A luz emitida ou refletida pelos objetos atrás do copo atravessa primeiro o ar, depois o vidro, depois a água, e em cada uma dessas interfaces ela sofre refração, ou seja, muda de direção por causa da diferença entre os índices de refr
Follow
13
0
5
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