If the length of the minor axis of an ellipse is equal to one fourth of the distance between the foci, then the eccentricity of the ellipse is:
- (A)✓ Correct
- (B)
- (C)
- (D)
Answer: (A)
Solution
Let the ellipse have semi-axes and . The minor axis is and the distance between the foci is , so gives . Using , , hence and , so . The eccentricity is .
JEE Main · 2025 · 02 Apr 2025 · Shift 2 · Single correct option