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JEE Questions for Maths Conic Section Quiz 14 - MCQExams.com
JEE
Maths
Conic Section
Quiz 14
The locus of the point of intersection of lines (x + y)t = a and x – y = at, where t is the parameter, is
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A circle
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An ellipse
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A rectangular hyperbola
0%
None of these
The equation of the hyperbola referred to its axes as axes of coordinate and whose distance between the foci is 16 and eccentricity is √2 is
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2)
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0%
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1
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5
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7
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9
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2)
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None of these
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Parabola
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Rectangular hyperbola
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Hyperbola
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Ellipse
The reciprocal of the eccentricity of rectangular hyperbola, is
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2
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2)
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0%
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9
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4
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5
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1
If transverse and conjugate axes of a hyperbola are equal, then its eccentricity
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2)
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2
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5
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4
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–5
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None of these
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2)
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0%
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Centre only
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Centre, foci and directories
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Centre, foci and vertices
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Centre and vertices only
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192
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64
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16
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32
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A hyperbola if k > 8
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An ellipse if k > 8
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A hyperbola if 8 < k < 12
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None of the above
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(–6, 3)
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(6, 3)
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(6, 3)
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(6, –3)
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(√24, 0)
The equation of a hyperbola whose asymptotes are 3x ± 5y = 0 and vertices are (±5,is
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2)
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0%
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No locus if k > 0
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An ellipse, if k > 0
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A point if, k = 0
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A hyperbola, if k > 0
The number of points of intersection of the two curves y = 2sinx and y = 5x
2
+ 2x + 3 is
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0
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1
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2
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∞
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2)
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The locus of the midpoint of the line segment joining the focus to a moving point on the parabola on the parabola y
2
= 4ax is another parabola with the directrix
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x = –a
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x = –a/2
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x = 0
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x = a/2
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(1, 1)
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(1, 0)
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(1, –1)
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(0, 0)
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2)
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0%
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1/8
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8
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4
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1/4
The centre of the circle passing through the point (0,and touching the curve y = x
2
at (2,is
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2)
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None of these
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2)
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Which one of the following curves cuts the parabola y
2
= 4ax at right angles
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2)
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0%
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2)
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2)
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0%
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The locus of mid point of that chord of parabola which subtends right angle on the vertex will be
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2)
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The equation of a circle passing through the vertex and the extremities of the latus rectum of the parabola y
2
= 8x is
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2)
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0%
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2)
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1
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ab
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abe
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A man running round a race-course notes that the sum of the distance of two flsh-posts from him is always 10 metres and the distance between the flag-posts is 8 metres. The area of the path he encloses in square metres is
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2)
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If the angle between the lines joining the end points of minor axis of an ellipse with its foci is π/2, then the eccentricity of the ellipse is
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2)
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The eccentricity of an ellipse, with its centre at the origin, is ½. If one of the directrices is x = 4, then the equation of the ellipse is
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2)
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0%
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2)
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None of the above
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2)
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0%
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2)
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0%
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2)
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2)
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The locus of the middle point of the intercepts of the tangents drawn from an external point to the ellipse x
2
+ 2y
2
= 2 between the coordinates axes is
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2)
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0%
If the normal at any point P on the ellipse cuts the major and minor axis in G and g respectively and C be the centre of the ellipse, then
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2)
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None of the above
The locus of the poles of normal chords of an ellipse is given by
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2)
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0%
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2)
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0
0%
None of these
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0%
2)
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0%
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A rectangular hyperbola
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A hyperbola
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An ellipse
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A parabola
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2)
0%
0%
None of these
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2)
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0%
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2)
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