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Semi vertical angle of cone is alpha . P...

Semi vertical angle of cone is `alpha` . Plane intersects vertical axis at an angle `beta` . If `alpha = beta` then cross section of cone is parabola.

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KUMAR PRAKASHAN-OBJECTIVE SECTION AS PER NEW PAPER SCHEME -Conic Sections (True /False Statement)
  1. Eccentricity of curve given equation y^2=9x is 1.

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  2. Equation of directrix of parabola 2y^2=x is 8x + 1 = 0

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  3. Semi vertical angle of cone is alpha . Plane intersects vertical axis ...

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  4. Ellipse x^2/(25)+y^2/(9) =1 is symmetric about Y - axis.

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  5. (5,10) and (5,-10) are end points of latus rectum of parabola y^2 = 20...

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  6. t in R parametric equation of parabola are x=at^2 and y = 2at .

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  7. Length of latus rectum of ellipse is (x^2)/b^2+y^2/a^2 = .......... 1 ...

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  8. Equation x = 4 cos theta and y = 3 sin theta , theta in (-pi,pi) deno...

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  9. Curve having eccentricity sqrt2 is a rectangular hyperbola.

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  10. Radius of the circle touches X - axis = |x co - ordinate of centre |.

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  11. Radius of the circle x^2+y^2+8x+10y=8 is 7 unit.

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  12. Eccentricity of curve given equation y^2=9x is 1.

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  13. Equation of directrix of parabola 2y^2=x is 8x + 1 = 0

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  14. Semi vertical angle of cone is alpha . Plane intersects vertical axis ...

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  15. Ellipse x^2/(25)+y^2/(9) =1 is symmetric about Y - axis.

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  16. (5,10) and (5,-10) are end points of latus rectum of parabola y^2 = 20...

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  17. t in R parametric equation of parabola are x=at^2 and y = 2at .

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  18. Length of latus rectum of ellipse is (x^2)/b^2+y^2/a^2 = .......... 1 ...

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  19. Equation x = 4 cos theta and y = 3 sin theta , theta in (-pi,pi) deno...

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  20. Curve having eccentricity sqrt2 is a rectangular hyperbola.

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