1
JEE Main 2020 (Online) 8th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Let the line y = mx and the ellipse 2x2 + y2 = 1 intersect at a ponit P in the first quadrant. If the normal to this ellipse at P meets the co-ordinate axes at $$\left( { - {1 \over {3\sqrt 2 }},0} \right)$$ and (0, $$\beta $$), then $$\beta $$ is equal to :
A
$${{\sqrt 2 } \over 3}$$
B
$${2 \over 3}$$
C
$${{2\sqrt 2 } \over 3}$$
D
$${2 \over {\sqrt 3 }}$$
2
JEE Main 2020 (Online) 7th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
If 3x + 4y = 12$$\sqrt 2 $$ is a tangent to the ellipse
$${{{x^2}} \over {{a^2}}} + {{{y^2}} \over 9} = 1$$ for some $$a$$ $$ \in $$ R, then the distance between the foci of the ellipse is :
A
$$2\sqrt 5 $$
B
$$2\sqrt 7 $$
C
4
D
$$2\sqrt 2 $$
3
JEE Main 2020 (Online) 7th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
If the distance between the foci of an ellipse is 6 and the distance between its directrices is 12, then the length of its latus rectum is :
A
$$\sqrt 3 $$
B
$$3\sqrt 2 $$
C
$${3 \over {\sqrt 2 }}$$
D
$$2\sqrt 3 $$
4
JEE Main 2019 (Online) 12th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
An ellipse, with foci at (0, 2) and (0, –2) and minor axis of length 4, passes through which of the following points?
A
$$\left( {2,\sqrt 2 } \right)$$
B
$$\left( {2,2\sqrt 2 } \right)$$
C
$$\left( {\sqrt 2 ,2} \right)$$
D
$$\left( {1,2\sqrt 2 } \right)$$
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