# Ellipse · Mathematics · WB JEE

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## MCQ (Single Correct Answer)

WB JEE 2008
If 2y = x and 3y + 4x = 0 are the equations of a pair of conjugate diameters of an ellipse, then the eccentricity of the ellipse is
WB JEE 2008
The equation of the ellipse having vertices at ($$\pm$$ 5, 0) and foci ($$\pm$$ 4, 0) is
WB JEE 2008
The latus rectum of an ellipse is equal to one-half of its minor axis. The eccentricity of the ellipse is
WB JEE 2009
The total number of tangents through the point (3, 5) that can be drawn to the ellipse 3x2 + 5y2 = 32 and 25x2 + 9y2 = 450 is...
WB JEE 2009
The line y = 2t2 intersects the ellipse $${{{x^2}} \over 9} + {{{y^2}} \over 4} = 1$$ in real point if
WB JEE 2009
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 ellip...
WB JEE 2010
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...
WB JEE 2011
The length of the latus rectum of the ellipse is 16x2 + 25y2 = 400 is
WB JEE 2011
The equation 8x2 + 12y2 $$-$$ 4x + 4y $$-$$ 1 = 0 represents
WB JEE 2024
The equation $$\mathrm{r} \cos \theta=2 \mathrm{a} \sin ^2 \theta$$ represents the curve
WB JEE 2024
A line of fixed length $$\mathrm{a}+\mathrm{b} . \mathrm{a} \neq \mathrm{b}$$ moves so that its ends are always on two fixed perpendicular straight li...
WB JEE 2024
With origin as a focus and $$x=4$$ as corresponding directrix, a family of ellipse are drawn. Then the locus of an end of minor axis is
WB JEE 2023
The tangent at point $$(a\cos \theta ,b\sin \theta ),0 ... WB JEE 2023 If the lines joining the focii of the ellipse$${{{x^2}} \over {{a^2}}} + {{{y^2}} \over {{b^2}}} = 1$$where$$a > b$$, and an extremity of its minor... WB JEE 2022 AB is a variable chord of the ellipse$${{{x^2}} \over {{a^2}}} + {{{y^2}} \over {{b^2}}} = 1$$. If AB subtends a right angle at the origin O, then$$...
WB JEE 2021
The co-ordinate of a point on the auxiliary circle of the ellipse x2 + 2y2 = 4 corresponding to the point on the ellipse whose eccentric angle is 60$$... WB JEE 2021 The points of intersection of two ellipses$${x^2} + 2{y^2} - 6x - 12y + 20 = 0$$and$$2{x^2} + {y^2} - 10x - 6y + 15 = 0$$lie on a circle. The cent... WB JEE 2020 If B and B' are the ends of minor axis and S and S' are the foci of the ellipse$${{{x^2}} \over {25}} + {{{y^2}} \over 9} = 1$$, then the area of the... WB JEE 2020 Consider the curve$${{{x^2}} \over {{a^2}}} + {{{y^2}} \over {{b^2}}} = 1$$. The portion of the tangent at any point of the curve intercepted between... WB JEE 2020 Consider the curve$${{{x^2}} \over {{a^2}}} + {{{y^2}} \over {{b^2}}} = 1$$. The portion of the tangent at any point of the curve intercepted between... WB JEE 2019 S and T are the foci of an ellipse and B is the end point of the minor axis. If STB is equilateral triangle, the eccentricity of the ellipse is WB JEE 2019 P is the extremity of the latusrectum of ellipse$$3{x^2} + 4{y^2} = 48$$in the first quadrant. The eccentric angle of P is WB JEE 2018 Let P be a point on the ellipse$${{{x^2}} \over 9} + {{{y^2}} \over 4} = 1$$and the line through P parallel to the Y-axis meets the circle x2 + y2 =... WB JEE 2017 B is an extremity of the minor axis of an ellipse whose foci are S and S'. If$$\angle SBS'$$is a right angle, then the eccentricity of the ellipse i... WB JEE 2017 Tangents are drawn to the ellipse$${{{x^2}} \over 9} + {{{y^2}} \over 5} = 1$$at the ends of both latusrectum. The area of the quadrilateral, so fo... ## MCQ (More than One Correct Answer) WB JEE 2023 Let f be a strictly decreasing function defined on R such that$$f(x) > 0,\forall x \in R$$. Let$${{{x^2}} \over {f({a^2} + 5a + 3)}} + {{{y^2}} \ove...
WB JEE 2022
Chords of an ellipse are drawn through the positive end of the minor axis. Their midpoint lies on
WB JEE 2020
Consider a tangent to the ellipse $${{{x^2}} \over 2} + {{{y^2}} \over 1} = 1$$ at any point. The locus of the mid-point of the portion intercepted be...
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