{"title":"Questão 169 - ENEM 2023","index":169,"discipline":"matematica","language":null,"year":2023,"context":"O esquema mostra como a intensidade luminosa decresce com o aumento da profundidade em um rio, sendo ![](https://enem.dev/2023/questions/169/76239f15-d46d-4067-bb38-bb40ca2f87c0.png) a intensidade na sua superfície.\n\n![](https://enem.dev/2023/questions/169/3af229c8-e385-4ca2-891a-22bdf6b2d593.png)\n\nConsidere que a intensidade luminosa diminui, a cada metro acrescido na profundidade, segundo o mesmo padrão do esquema.","files":["https://enem.dev/2023/questions/169/76239f15-d46d-4067-bb38-bb40ca2f87c0.png","https://enem.dev/2023/questions/169/3af229c8-e385-4ca2-891a-22bdf6b2d593.png"],"correctAlternative":"D","alternativesIntroduction":"A intensidade luminosa correspondente à profundidade de 6 m é igual a","alternatives":[{"letter":"A","text":null,"file":"https://enem.dev/2023/questions/169/0ad62fa9-ccdd-40b7-95e6-024319a5c9bc.png","isCorrect":false},{"letter":"B","text":null,"file":"https://enem.dev/2023/questions/169/74afb699-867b-4b47-8fa9-9c0fddd6db14.png","isCorrect":false},{"letter":"C","text":null,"file":"https://enem.dev/2023/questions/169/23fe5ab4-dc1d-4693-8a62-c17abdd5c5cb.png","isCorrect":false},{"letter":"D","text":null,"file":"https://enem.dev/2023/questions/169/9394f679-b291-4e10-9384-b1f2c2dba975.png","isCorrect":true},{"letter":"E","text":null,"file":"https://enem.dev/2023/questions/169/5037e73b-aa7f-43fd-baa8-4f70d9f0f498.png","isCorrect":false}]}