WB JEE 2009 | Ellipse Question 6 | Mathematics

WB JEE 2009

MCQ (Single Correct Answer)

-0.25

The angle between the line joining the foci of an ellipse to one particular extremity of the minor axis is 90$$^\circ$$. The eccentricity of the ellipse is

$${1 \over 8}$$

$${1 \over {\sqrt 3 }}$$

$$\sqrt {{2 \over 3}} $$

$$\sqrt {{1 \over 2}} $$

WB JEE 2010

MCQ (Single Correct Answer)

-0.25

S and T are the foci of an ellipse and B is an end point of the minor axis. If STB is an equilateral triangle, the eccentricity of the ellipse is

$${1 \over 4}$$

$${1 \over 3}$$

$${1 \over 2}$$

$${2 \over 3}$$

WB JEE 2011

MCQ (Single Correct Answer)

-0.25

The length of the latus rectum of the ellipse is 16x² + 25y² = 400 is

5/16 units

32/5 units

16/5 units

5/32 units

WB JEE 2011

MCQ (Single Correct Answer)

-0.25

The equation 8x² + 12y² $$-$$ 4x + 4y $$-$$ 1 = 0 represents

an ellipse

a hyperbola

a parabola

a circle

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