Brain › Science & TechnologyWhat conic section is used to describe electromagnetic waves?PointsLinesEllipsesParabolasAnswerThe correct answer is D) Parabolas.More Science & Technology questionsMany microphones use this shape because of its specific properties.Which of these statements about conic sections is correct?Only one of these statements about conic sections is correct. Which one?What year was the iPod introduced?Who thought of the name iPod?What year was the iPod touch launched?Play Brain · Practice