engineering mathematics MCQ #555

An ellipse has major axis length 10 and distance between foci 6. Its eccentricity is:

engineering mathematics MCQ #555

  1. Question 1

    Q1. An ellipse has major axis length 10 and distance between foci 6. Its eccentricity is:

    • A) 0.4
    • B) 0.6
    • C) 0.8
    • D) 0.9

    Answer: 0.6

    Explanation: Eccentricity e = c/a. c = 3 (half the foci distance), a = 5 ⇒ e = 3/5 = 0.6.