{"title":"Questão 82 - ENEM 2013","index":82,"discipline":"ciencias-natureza","language":null,"year":2013,"context":"![](https://enem.dev/2013/questions/82/dc5323c9-893c-4a4c-bea3-fd88a30c0de6.png)","files":["https://enem.dev/2013/questions/82/dc5323c9-893c-4a4c-bea3-fd88a30c0de6.png"],"correctAlternative":"A","alternativesIntroduction":"A razão entre as frequências do Dó central e do Dó maior é de:","alternatives":[{"letter":"A","text":"1/2.","file":null,"isCorrect":true},{"letter":"B","text":"2.","file":null,"isCorrect":false},{"letter":"C","text":"1.","file":null,"isCorrect":false},{"letter":"D","text":"1/4.","file":null,"isCorrect":false},{"letter":"E","text":"4.","file":null,"isCorrect":false}]}