engineering mathematics MCQ #589

The eccentricity of an ellipse with semi-major axis 5 and semi-minor 3 is:

engineering mathematics MCQ #589

  1. Question 1

    Q1. The eccentricity of an ellipse with semi-major axis 5 and semi-minor 3 is:

    • A) 0.6
    • B) 0.8
    • C) 1.2
    • D) 1.5

    Answer: 0.8

    Explanation: e = √(1 - (b²/a²)) = √(1 - 9/25) = √(16/25) = 4/5 = 0.8.